Poly 74-Series Polyurethane Rubbers consist of two
parts (A and B), which, after mixing, cure at room temperature to
flexible, high-strength, mold rubbers. Poly 74-Series Rubbers make
durable, easy-releasing molds for casting plasters and waxes without
release agents. When Poly 74-Series molds are properly prepared, they
are also excellent for casting concrete and various resins, such as epoxy,
polyester, polyurethane and acrylic
TinSil® 70-Series Silicone Elastomers are two-component,
room temperature curing mold rubbers. TinSil silicone elastomers are
condensation-cure, tin-catalyzed systems that cure to flexible rubbers.
TinSil molds have high tear strength, excellent chemical resistance,
good release properties and resistance to high temperatures. These
molds are a great choice for casting polyesters, epoxy and polyurethane
resins, polyurethane foams, plaster, waxes and many other materials.
TinSil® 70-Series Silicone Elastomers are two-component,
room temperature curing mold rubbers. TinSil silicone elastomers are
condensation-cure, tin-catalyzed systems that cure to flexible rubbers.
TinSil molds have high tear strength, excellent chemical resistance,
good release properties and resistance to high temperatures. These
molds are a great choice for casting polyesters, epoxy and polyurethane
resins, polyurethane foams, plaster, waxes and many other materials.
Poly 74-Series Polyurethane Rubbers consist of two
parts (A and B), which, after mixing, cure at room temperature to
flexible, high-strength, mold rubbers. Poly 74-Series Rubbers make
durable, easy-releasing molds for casting plasters and waxes without
release agents. When Poly 74-Series molds are properly prepared, they
are also excellent for casting concrete and various resins, such as epoxy,
polyester, polyurethane and acrylic.
: FormRub Series Liquid Rubbers consist of two parts (A
and B), which, after mixing, cure at room temperature to flexible rubber.
Molds made with FormRub are excellent for casting concrete, plaster
and wax. In addition, when coated with a proper release agent, FormRub
molds can be used to cast various resins and foams. FormRub Liquid
Rubbers are formulated for good economy with high performance and
durability
PT Flex products are two-component, fast-setting
polyurethane rubbers that cure at room temperature (RTV). Available
in a variety of hardnesses, these products are excellent for prototyping
and model making applications and for the casting of production parts,
props, tools, and more.
Poly-Optic® 14-Series Casting Resins are two-part,
polyurethane systems formulated specifically for applications where
optical clarity is required. Castings are clear like water; however,
PolyColor dyes can be added to obtain clear, colored castings. PolyOptic systems, with low viscosities and long pot-lives, provide for easy
mixing, excellent detail penetration, and easy degassing, through
vacuum or pressure casting techniques, for bubble-free castings.
Poly GlassRub 50 Liquid Rubber consists of two parts (A
and B) that, after mixing, cure at room temperature to a flexible, clear
rubber. The transparency of Poly GlassRub 50 allows the mold maker
to see if air bubbles are trapped against the master or forming in the
casting. Additionally, clear rubber castings or objects encapsulated in
clear rubber make interesting displays or original art. Cured GlassRub
may yellow slightly over time or following UV exposure. PolyColor dyes
can be added to the liquid rubber to make a tinted or colored, yet still
clear, rubber.
TinSil® 70-Series Silicone Elastomers are two-component,
room temperature curing mold rubbers. TinSil silicone elastomers are
condensation-cure, tin-catalyzed systems that cure to flexible rubbers.
TinSil molds have high tear strength, excellent chemical resistance,
good release properties and resistance to high temperatures. These
molds are a great choice for casting polyesters, epoxy and polyurethane
resins, polyurethane foams, plaster, waxes and many other materials.
TinSil® 70-Series Silicone Elastomers are two-component,
room temperature curing mold rubbers. TinSil silicone elastomers are
condensation-cure, tin-catalyzed systems that cure to flexible rubbers.
TinSil molds have high tear strength, excellent chemical resistance,
good release properties and resistance to high temperatures. These
molds are a great choice for casting polyesters, epoxy and polyurethane
resins, polyurethane foams, plaster, waxes and many other materials.
Poly 74-Series Polyurethane Rubbers consist of two
parts (A and B), which, after mixing, cure at room temperature to
flexible, high-strength, mold rubbers. Poly 74-Series Rubbers make
durable, easy-releasing molds for casting plasters and waxes without
release agents. When Poly 74-Series molds are properly prepared, they
are also excellent for casting concrete and various resins, such as epoxy,
polyester, polyurethane and acrylic.
: FormRub Series Liquid Rubbers consist of two parts (A
and B), which, after mixing, cure at room temperature to flexible rubber.
Molds made with FormRub are excellent for casting concrete, plaster
and wax. In addition, when coated with a proper release agent, FormRub
molds can be used to cast various resins and foams. FormRub Liquid
Rubbers are formulated for good economy with high performance and
durability
PT Flex products are two-component, fast-setting
polyurethane rubbers that cure at room temperature (RTV). Available
in a variety of hardnesses, these products are excellent for prototyping
and model making applications and for the casting of production parts,
props, tools, and more.
Poly-Optic® 14-Series Casting Resins are two-part,
polyurethane systems formulated specifically for applications where
optical clarity is required. Castings are clear like water; however,
PolyColor dyes can be added to obtain clear, colored castings. PolyOptic systems, with low viscosities and long pot-lives, provide for easy
mixing, excellent detail penetration, and easy degassing, through
vacuum or pressure casting techniques, for bubble-free castings.
Poly GlassRub 50 Liquid Rubber consists of two parts (A
and B) that, after mixing, cure at room temperature to a flexible, clear
rubber. The transparency of Poly GlassRub 50 allows the mold maker
to see if air bubbles are trapped against the master or forming in the
casting. Additionally, clear rubber castings or objects encapsulated in
clear rubber make interesting displays or original art. Cured GlassRub
may yellow slightly over time or following UV exposure. PolyColor dyes
can be added to the liquid rubber to make a tinted or colored, yet still
clear, rubber.
Use Poly 81-Series rubbers to make firm molds, mold
facings, stamping tools, industrial parts, rollers, gaskets, mold shells,
bumpers or pads. Poly 81-Series rubbers consist of two liquid parts (A
and B), which, after mixing, cure at room temperature to tough, durable
rubbers. They offer low sensitivity to moisture, and low viscosity for easy
mixing and pouring.
Polygel® Liquid Rubbers are without equal for making
brush-on or sprayed blanket molds. Polygel products consist of two
parts (A and B) that immediately thicken to a brushable or trowellable
consistency after mixing. These non-sag products are especially
useful for application to vertical or overhead surfaces. For brush-on
application, use Polygel 35. In circumstances where spray application
is best (e.g., large surface areas where brushing may be impractical),
use Polygel Spray 35 or Spray 50. Polygel rubber molds are suitable
for casting plaster, concrete and waxes, as well as limited casting with
polyester, epoxy and polyurethane resins. Since Polygel products bond
well to many surfaces, they can also be used as adhesives and sealants.
Poly Plasti-Flex Liquid Plastic is a two part, room
temperature curing (RTV) polyurethane plastic that is slightly flexible
upon cure. The flexibility of this plastic makes it ideal for parts such as
decorative trim molding, props, special effects castings, and impactresistant items.
PlatSil® Gels are 1A:1B (by weight or volume) platinumcured silicone systems that can be used as mold rubbers, to create
prosthetic appliances, and for life casting. Polytek offers an array of
accessory products that can be used independently or in concert
to increase working time, accelerate cure time, thicken the mix for
brushing/layering, thin the mix for easier pouring, or soften or harden
the rubber. Smith’s Theatrical Prosthetic Deadener and PlatSil® Deadener
LV can be added to soften and eliminate the snappy, synthetic look and
feel of ordinary silicone rubbers. “Deadened” PlatSil Gels can be made
to look, feel and move like living tissue. Unlike silicone fluid, Deadener
does not leach from the cured rubber/appliance, so bonding and use
are far easier.
PlatSil Gel-OO30 & PlatSil Gel-OO20 are lower in viscosity and are less
tacky on cure compared to PlatSil Gel-OO
PolyPoxy® Epoxy Clays are two-component, room
temperature curing (RTV) systems. When mixed together, these
components form a soft, dough-like consistency that ultimately cures
to a hard solid with excellent toughness and dimensional stability. The
gray Resin and a colored Hardener of PolyPoxy® epoxy clays provide
visual assistance to help obtain thorough mixing. Cured epoxy clay can
be machined or carved with common wood working tools.
Poly 15-Series Liquid Plastics are excellent for casting
decorative objects, production parts, tools, models, patterns, fixtures,
duplicate masters, mold shells and more.
Vizyon İnovatif Yalıtım Ltd.Şti günümüz yalıtım ihtiyaçlarına inovatif çözümler sunmak amacı ile 2015 de kurulmuştur. Termal yalıtım, gürültü ve titreşim sönümleme, yüksek ısı ve kriyojenik yalıtım ve yangın yalıtımı alanında, en ileri teknoloji ürün, hizmet ve dizayn alanında hizmet vermektedir.
Poly-Optic® 14-Series Casting Resins are two-part,
polyurethane systems formulated specifically for applications where
optical clarity is required. Castings are clear like water; however,
PolyColor dyes can be added to obtain clear, colored castings. PolyOptic systems, with low viscosities and long pot-lives, provide for easy
mixing, excellent detail penetration, and easy degassing, through
vacuum or pressure casting techniques, for bubble-free castings.
EasyFlo Series Liquid Plastics are excellent for casting
decorative objects, sculpture reproductions, production parts, tools,
models, duplicate masters and more. EasyFlo products are mercury-free
systems that consist of two parts (A and B) that, after mixing, quickly
cure to tough polyurethane plastics. Since Parts A and B are very low
in viscosity, they are easy to mix, provide excellent detail penetration,
and make bubble-free castings without vacuum degassing or pressure
casting techniques.
PolyPoxy® Casting Epoxies are pourable, aluminumfilled, heat-resistant, room temperature curing (RTV) systems that are
typically used for heat-resistant tooling, vacuum form tools, injection
and compression molds, RTM and RIM molds, and matched dies.
The following stepping stone mold making tutorial includes the key steps that need to be taken in order to make a rubber mold; however,
stepping stones are only one example of how this kit can be used. Other project ideas include: decoratives tiles, flexible texture mats, small
tabletops, decorative stone, pavers and much more! ATTENTION: Review all Safety Data Sheets (SDS) and enclosed literature prior to the use
of products included in this kit. Refer to the Poly 74-Series Technical Bulletin for detailed Poly 74-45 Liquid Rubber information.
PolyFoam Series casting foams consist of two parts
(A and B) that, after mixing, form rigid or flexible foam products with
densities in the range of 3 to 20 lb/ft³. PolyFoam R-2, R-5 and R-8 are rigid
foams. PolyFoam F-3 and F-5 are flexible for casting soft parts. Consider
PolyFoams for production of decorative objects, lightweight mold
shells, production parts, models, patterns, fixtures, duplicate masters
and general tooling use. PolyFoam systems are practically odorless and
do not contain toluene diisocyanate, MOCA, heavy metals or HCFCs
PolyPoxy® Laminating Epoxies are low viscosity, room
temperature curing (RTV) systems formulated for general purpose and
high-temperature fabrication applications. These room temperature
curing systems should be used with reinforcement materials such as
fiberglass, carbon fiber, and other materials for lay-up mold making and
master production applications
PolyPoxy® Epoxy Clays are two-component, room
temperature curing (RTV) systems. When mixed together, these
components form a soft, dough-like consistency that ultimately cures
to a hard solid with excellent toughness and dimensional stability. The
gray Resin and a colored Hardener of PolyPoxy® epoxy clays provide
visual assistance to help obtain thorough mixing. Cured epoxy clay can
be machined or carved with common wood working tools.
PolyPoxy® Epoxy Adhesives are two-component, roomtemperature curing (RTV) systems designed to be used as generalpurpose adhesives as well as a bonding adhesive for TekBoard™ Tooling
& Modeling Board.
Kast Series products are high-performance, fast-cast
urethane tooling and casting systems that are designed for use in a
variety of applications including foundry, special effects, prototyping,
vacuum and thermo-forming, and many other industrial and commercial
applications.
Kast products were developed to provide greater moisture resistance,
improved filler suspension, easier premixing of the components, and
minimal shrinkage.
Slo-Kast provides a longer pot life and demold time for larger pours,
while Metal-Kast simulates many of the desirable characteristics of
aluminum metal
Started in 1984, Polytek® Development Corp. is a leading manufacturer of specialty polymers including
polyurethane elastomers and casting resins, silicone, latex, plastisol, thermoplastic elastomers, and epoxies.
These systems are used primarily in mold making and casting applications in industrial, construction,
entertainment, fine arts and technology sectors.
Durabond USA is an international manufacturer of epoxy resin coatngs. Durabond products are renowned for flexibility, durability, energy savings, water sealant, fire retardant and corrosion resisitant capabilities.
Foremost amongst the various Durabond products is the EPO 100, a multi-functional and multi-dimensional epoxy coating product.
Use Poly 81-Series rubbers to make firm molds, mold
facings, stamping tools, industrial parts, rollers, gaskets, mold shells,
bumpers or pads. Poly 81-Series rubbers consist of two liquid parts (A
and B), which, after mixing, cure at room temperature to tough, durable
rubbers. They offer low sensitivity to moisture, and low viscosity for easy
mixing and pouring.
Polygel® Liquid Rubbers are without equal for making
brush-on or sprayed blanket molds. Polygel products consist of two
parts (A and B) that immediately thicken to a brushable or trowellable
consistency after mixing. These non-sag products are especially
useful for application to vertical or overhead surfaces. For brush-on
application, use Polygel 35. In circumstances where spray application
is best (e.g., large surface areas where brushing may be impractical),
use Polygel Spray 35 or Spray 50. Polygel rubber molds are suitable
for casting plaster, concrete and waxes, as well as limited casting with
polyester, epoxy and polyurethane resins. Since Polygel products bond
well to many surfaces, they can also be used as adhesives and sealants.
Poly Plasti-Flex Liquid Plastic is a two part, room
temperature curing (RTV) polyurethane plastic that is slightly flexible
upon cure. The flexibility of this plastic makes it ideal for parts such as
decorative trim molding, props, special effects castings, and impactresistant items.
PlatSil® Gels are 1A:1B (by weight or volume) platinumcured silicone systems that can be used as mold rubbers, to create
prosthetic appliances, and for life casting. Polytek offers an array of
accessory products that can be used independently or in concert
to increase working time, accelerate cure time, thicken the mix for
brushing/layering, thin the mix for easier pouring, or soften or harden
the rubber. Smith’s Theatrical Prosthetic Deadener and PlatSil® Deadener
LV can be added to soften and eliminate the snappy, synthetic look and
feel of ordinary silicone rubbers. “Deadened” PlatSil Gels can be made
to look, feel and move like living tissue. Unlike silicone fluid, Deadener
does not leach from the cured rubber/appliance, so bonding and use
are far easier.
PlatSil Gel-OO30 & PlatSil Gel-OO20 are lower in viscosity and are less
tacky on cure compared to PlatSil Gel-OO
PolyPoxy® Epoxy Clays are two-component, room
temperature curing (RTV) systems. When mixed together, these
components form a soft, dough-like consistency that ultimately cures
to a hard solid with excellent toughness and dimensional stability. The
gray Resin and a colored Hardener of PolyPoxy® epoxy clays provide
visual assistance to help obtain thorough mixing. Cured epoxy clay can
be machined or carved with common wood working tools.
Poly 15-Series Liquid Plastics are excellent for casting
decorative objects, production parts, tools, models, patterns, fixtures,
duplicate masters, mold shells and more.
Vizyon İnovatif Yalıtım Ltd.Şti günümüz yalıtım ihtiyaçlarına inovatif çözümler sunmak amacı ile 2015 de kurulmuştur. Termal yalıtım, gürültü ve titreşim sönümleme, yüksek ısı ve kriyojenik yalıtım ve yangın yalıtımı alanında, en ileri teknoloji ürün, hizmet ve dizayn alanında hizmet vermektedir.
Poly-Optic® 14-Series Casting Resins are two-part,
polyurethane systems formulated specifically for applications where
optical clarity is required. Castings are clear like water; however,
PolyColor dyes can be added to obtain clear, colored castings. PolyOptic systems, with low viscosities and long pot-lives, provide for easy
mixing, excellent detail penetration, and easy degassing, through
vacuum or pressure casting techniques, for bubble-free castings.
EasyFlo Series Liquid Plastics are excellent for casting
decorative objects, sculpture reproductions, production parts, tools,
models, duplicate masters and more. EasyFlo products are mercury-free
systems that consist of two parts (A and B) that, after mixing, quickly
cure to tough polyurethane plastics. Since Parts A and B are very low
in viscosity, they are easy to mix, provide excellent detail penetration,
and make bubble-free castings without vacuum degassing or pressure
casting techniques.
PolyPoxy® Casting Epoxies are pourable, aluminumfilled, heat-resistant, room temperature curing (RTV) systems that are
typically used for heat-resistant tooling, vacuum form tools, injection
and compression molds, RTM and RIM molds, and matched dies.
The following stepping stone mold making tutorial includes the key steps that need to be taken in order to make a rubber mold; however,
stepping stones are only one example of how this kit can be used. Other project ideas include: decoratives tiles, flexible texture mats, small
tabletops, decorative stone, pavers and much more! ATTENTION: Review all Safety Data Sheets (SDS) and enclosed literature prior to the use
of products included in this kit. Refer to the Poly 74-Series Technical Bulletin for detailed Poly 74-45 Liquid Rubber information.
PolyFoam Series casting foams consist of two parts
(A and B) that, after mixing, form rigid or flexible foam products with
densities in the range of 3 to 20 lb/ft³. PolyFoam R-2, R-5 and R-8 are rigid
foams. PolyFoam F-3 and F-5 are flexible for casting soft parts. Consider
PolyFoams for production of decorative objects, lightweight mold
shells, production parts, models, patterns, fixtures, duplicate masters
and general tooling use. PolyFoam systems are practically odorless and
do not contain toluene diisocyanate, MOCA, heavy metals or HCFCs
PolyPoxy® Laminating Epoxies are low viscosity, room
temperature curing (RTV) systems formulated for general purpose and
high-temperature fabrication applications. These room temperature
curing systems should be used with reinforcement materials such as
fiberglass, carbon fiber, and other materials for lay-up mold making and
master production applications
PolyPoxy® Epoxy Clays are two-component, room
temperature curing (RTV) systems. When mixed together, these
components form a soft, dough-like consistency that ultimately cures
to a hard solid with excellent toughness and dimensional stability. The
gray Resin and a colored Hardener of PolyPoxy® epoxy clays provide
visual assistance to help obtain thorough mixing. Cured epoxy clay can
be machined or carved with common wood working tools.
PolyPoxy® Epoxy Adhesives are two-component, roomtemperature curing (RTV) systems designed to be used as generalpurpose adhesives as well as a bonding adhesive for TekBoard™ Tooling
& Modeling Board.
Kast Series products are high-performance, fast-cast
urethane tooling and casting systems that are designed for use in a
variety of applications including foundry, special effects, prototyping,
vacuum and thermo-forming, and many other industrial and commercial
applications.
Kast products were developed to provide greater moisture resistance,
improved filler suspension, easier premixing of the components, and
minimal shrinkage.
Slo-Kast provides a longer pot life and demold time for larger pours,
while Metal-Kast simulates many of the desirable characteristics of
aluminum metal
Started in 1984, Polytek® Development Corp. is a leading manufacturer of specialty polymers including
polyurethane elastomers and casting resins, silicone, latex, plastisol, thermoplastic elastomers, and epoxies.
These systems are used primarily in mold making and casting applications in industrial, construction,
entertainment, fine arts and technology sectors.
Durabond USA is an international manufacturer of epoxy resin coatngs. Durabond products are renowned for flexibility, durability, energy savings, water sealant, fire retardant and corrosion resisitant capabilities.
Foremost amongst the various Durabond products is the EPO 100, a multi-functional and multi-dimensional epoxy coating product.
http://marispolymers.com/products/waterproofing-systems/inverted-flat-roof-waterproofing/
Inverted flat roof waterproofing combined with a thermal insulation is essential for a buildings waterproofing and energy saving thermal insulation. The MARISEAL SYSTEM® inverted flat roof waterproofing method offers a simple build-up waterproofing, that features a protected waterproofing membrane and loose laying insulation boards.
The inverted waterproofing insulation system is applicable for all types of flat roofs, as it offers an efficient solution for new construction but also for renovation of old flat roofs as is it possible to install an inverted roof over an existing roof build up.
Polytek’s Ultimate Top Coat is a two-component, high solids, water-based, aliphatic polyurethane. The
excellent UV resistant, mar-resistant, chemical resistant nature of this product will cause it to outperform most other types of
sealers or topcoats without the unwanted smell of solvents. Ultimate Top Coat comes in both a high-gloss and satin-gloss
finish
Product Identifier: TinSil®
70-10 Silicone Rubber Part A
TinSil®
70-11 Silicone Rubber Part A
TinSil® Gel-10 Silicone Rubber Part A
TinSil®
Spray 25 Silicone Rubber Part A
Product Code(s): 7010A, 7011A, TINGEL10A, TINSPRAY25A
Use: Component for silicone mold rubber. For
Industrial/Professional use only.
Manufacturer: Polytek Development Corp.
55 Hilton St., Easton, PA 18042
Phone Number: 610-559-8620 (9 a.m. to 5 p.m. EST)
Emergency Phone: CHEMTREC 800-424-9300 or
+1 (703) 527-3887
E-mail: sds@polytek.com
Product Identifier: PlatSil®
SiliFoam Part A
PlatSil®
SiliFoam Part B
Product Code(s): SILIFOAMA, SILIFOAMB
Use: Liquid component for silicone foam. For
Industrial/Professional use only.
Manufacturer: Polytek Development Corp.
55 Hilton St., Easton, PA 18042
Phone Number: 610-559-8620 (9 a.m. to 5 p.m. EST)
Emergency Phone: CHEMTREC 800-424-9300 or
+1 (703) 527-3887
E-mail: sds@polytek.com
Product Identifier: PT Flex D60 Casting Resin Part A
Product Code(s): PTFLEXD60A
Use: Component for Polyurethane Casting Resin. For
Industrial/Professional use only. Not for spray
application.
Manufacturer: Polytek Development Corp.
55 Hilton St., Easton, PA 18042
Phone Number: 610-559-8620 (9 a.m. to 5 p.m. EST)
Emergency Phone: CHEMTREC 800-424-9300 or
+1 (703) 527-3887
E-mail: sds@polytek.com
Product Identifier: PT Flex D60 Casting Resin Part A
Product Code(s): PTFLEXD60A
Use: Component for Polyurethane Casting Resin. For
Industrial/Professional use only. Not for spray
application.
Manufacturer: Polytek Development Corp.
55 Hilton St., Easton, PA 18042
Phone Number: 610-559-8620 (9 a.m. to 5 p.m. EST)
Emergency Phone: CHEMTREC 800-424-9300 or
+1 (703) 527-3887
E-mail: sds@polytek.com
Polytek’s Ultimate Top Coat is a two-component, high solids, water-based, aliphatic polyurethane. The
excellent UV resistant, mar-resistant, chemical resistant nature of this product will cause it to outperform most other types of
sealers or topcoats without the unwanted smell of solvents. Ultimate Top Coat comes in both a high-gloss and satin-gloss
finish
Skye Residences | Extended Stay Residences Near Toronto Airportmarketingjdass
Experience unparalleled EXTENDED STAY and comfort at Skye Residences located just minutes from Toronto Airport. Discover sophisticated accommodations tailored for discerning travelers.
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Improving profitability for small businessBen Wann
In this comprehensive presentation, we will explore strategies and practical tips for enhancing profitability in small businesses. Tailored to meet the unique challenges faced by small enterprises, this session covers various aspects that directly impact the bottom line. Attendees will learn how to optimize operational efficiency, manage expenses, and increase revenue through innovative marketing and customer engagement techniques.
Attending a job Interview for B1 and B2 Englsih learnersErika906060
It is a sample of an interview for a business english class for pre-intermediate and intermediate english students with emphasis on the speking ability.
Unveiling the Secrets How Does Generative AI Work.pdfSam H
At its core, generative artificial intelligence relies on the concept of generative models, which serve as engines that churn out entirely new data resembling their training data. It is like a sculptor who has studied so many forms found in nature and then uses this knowledge to create sculptures from his imagination that have never been seen before anywhere else. If taken to cyberspace, gans work almost the same way.
RMD24 | Debunking the non-endemic revenue myth Marvin Vacquier Droop | First ...BBPMedia1
Marvin neemt je in deze presentatie mee in de voordelen van non-endemic advertising op retail media netwerken. Hij brengt ook de uitdagingen in beeld die de markt op dit moment heeft op het gebied van retail media voor niet-leveranciers.
Retail media wordt gezien als het nieuwe advertising-medium en ook mediabureaus richten massaal retail media-afdelingen op. Merken die niet in de betreffende winkel liggen staan ook nog niet in de rij om op de retail media netwerken te adverteren. Marvin belicht de uitdagingen die er zijn om echt aansluiting te vinden op die markt van non-endemic advertising.
What is the TDS Return Filing Due Date for FY 2024-25.pdfseoforlegalpillers
It is crucial for the taxpayers to understand about the TDS Return Filing Due Date, so that they can fulfill your TDS obligations efficiently. Taxpayers can avoid penalties by sticking to the deadlines and by accurate filing of TDS. Timely filing of TDS will make sure about the availability of tax credits. You can also seek the professional guidance of experts like Legal Pillers for timely filing of the TDS Return.
Affordable Stationery Printing Services in Jaipur | Navpack n PrintNavpack & Print
Looking for professional printing services in Jaipur? Navpack n Print offers high-quality and affordable stationery printing for all your business needs. Stand out with custom stationery designs and fast turnaround times. Contact us today for a quote!
[Note: This is a partial preview. To download this presentation, visit:
https://www.oeconsulting.com.sg/training-presentations]
Sustainability has become an increasingly critical topic as the world recognizes the need to protect our planet and its resources for future generations. Sustainability means meeting our current needs without compromising the ability of future generations to meet theirs. It involves long-term planning and consideration of the consequences of our actions. The goal is to create strategies that ensure the long-term viability of People, Planet, and Profit.
Leading companies such as Nike, Toyota, and Siemens are prioritizing sustainable innovation in their business models, setting an example for others to follow. In this Sustainability training presentation, you will learn key concepts, principles, and practices of sustainability applicable across industries. This training aims to create awareness and educate employees, senior executives, consultants, and other key stakeholders, including investors, policymakers, and supply chain partners, on the importance and implementation of sustainability.
LEARNING OBJECTIVES
1. Develop a comprehensive understanding of the fundamental principles and concepts that form the foundation of sustainability within corporate environments.
2. Explore the sustainability implementation model, focusing on effective measures and reporting strategies to track and communicate sustainability efforts.
3. Identify and define best practices and critical success factors essential for achieving sustainability goals within organizations.
CONTENTS
1. Introduction and Key Concepts of Sustainability
2. Principles and Practices of Sustainability
3. Measures and Reporting in Sustainability
4. Sustainability Implementation & Best Practices
To download the complete presentation, visit: https://www.oeconsulting.com.sg/training-presentations
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1. DESCRIPTION: Poly 74-Series Polyurethane Rubbers consist of two
parts (A and B), which, after mixing, cure at room temperature to
flexible, high-strength, mold rubbers. Poly 74-Series Rubbers make
durable, easy-releasing molds for casting plasters and waxes without
release agents. When Poly 74-Series molds are properly prepared, they
are also excellent for casting concrete and various resins, such as epoxy,
polyester, polyurethane and acrylic.
BEFORE USE: Thoroughly read Safety Data Sheets, product labels
and the“SAFETY”section in this Technical Bulletin.
MODEL PREPARATION: Porous models, such as wood, plaster, stone,
pottery or masonry must be sealed. Multiple coats of paste wax dried
and buffed will seal most surfaces. Potters soap can be used as a sealer
for plaster. Lacquer, paint, PVA, and Pol-Ease® 2350 Release Agent also
work well as sealers for many surfaces. The properly-sealed model
should then be coated with a release agent (e.g., Pol-Ease® 2300 Release
Agent). Alternatively, PolyCoat, a sealer and semi-permanent release
agent, can be used on most porous or non-porous models. Porous
models must be vented from beneath to prevent trapped air from
forming bubbles in the rubber.
Models made of sulfur-containing modeling clay (e.g., Roma Plastilina)
should be sealed with shellac. [CAUTION: When shellac is used as
the sealer, it must be thoroughly coated with release agent because
polyurethane rubbers bond tenaciously to shellac.]
Non-porous models (e.g., metals, plasticine, wax, glazed ceramics,
fiberglass and polyurethanes) should be coated with release agent such
as Pol-Ease® 2300 Release Agent or PolyCoat.
Poly 74-Series Polyurethane Rubbers Technical Bulletin
55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
If there is any question about the compatibility between the liquid
mold rubber and the prepared model surface, perform a test cure on an
identical surface to determine that complete curing and good release
are obtained.
MIXING AND CURING: Before use, be sure that Parts A and B are at room
temperature and that all tools are ready. Surface and air temperatures
should be above 60°F during application and for the entire curing
period.
Check mix ratio. Several Poly 74-Series Part Bs require stirring before
use (i.e., 74-20, 74-29, 74-30 and 74-40). Weigh Part B into a clean metal
or plastic mixing container and then weigh the appropriate amount of
Part A into the same container. Mix thoroughly. Hand mixing with a Poly
Paddle is best to avoid mixing air into the rubber. While mixing, scrape
- Make durable, long-lasting molds owing to strength and
elongation properties of cured rubber
- Pourable polyurethane rubbers that cure to soft to mid-
range hardnesses
- Easily thickened for brush-on applications
- No release agents needed when casting many plasters,
waxes and concretes
- Low-viscosity polyurethane rubbers capture detail from
intricate masters
PHYSICAL PROPERTIES
Product 74-20 74-24 74-29 74-30 74-30 Clear 74-30 HT 74-40 74-41 74-44 74-45 74-55
Mix Ratio By Weight 1A:2B 1A:1B 1A:1B 1A:1B 1A:1B 1A:1B 2A:1B 1A:1B 2A:1B 1A:1B 4A:1B
Shore Hardness A20 A25 A30 A30 A30 A30 A40 A40 A45 A45 A55
Pour Time 20 min. 20 min. 30 min.
25-30
min.
25-30 min.
25-30
min.
20 min. 20 min. 20 min. 30 min. 15 min.
Demold Time @ 73°F 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr.
Cured Color Yellow Amber Black
Amber/
Varies
Transparent
Amber
Amber/
Varies
Varies
Amber/
Varies
Gray Yellow Amber
Mixed Viscosity (cP) 800 2,000 2,800 2,000 2,000 2,000 3,400 2,000 3,500 2,000 4,000
Specific Volume (in3
/lb) 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5
Specific Gravity 1.01 1.01 1.02 1.01 1.01 1.01 1.01 1.01 1.01 1.02 1.01
Elongation (%) 1,060 750 1,600 506 507 975 400 1,060 2,422 1,135 894
Tensile Strength (psi) 217 220 520 281 281 304 349 360 462 408 679
Die C Tear Strength (pli) 43 55 109 62 62 70 95 77 129 82 155
PRODUCT LINE FEATURES
2. the sides and bottom several times to ensure thorough mixing. Pour
the rubber as soon after mixing as possible for best flow and air bubble
release. Vacuum degassing helps to provide bubble-free molds, but is
usually not necessary.
Allow rubber to cure at room temperature, 77°F (25°C). Carefully demold
after approximately 16 hours. Final cure properties are obtained in
about seven days, but molds may be used with care after curing for 24-
48 hours. Heat accelerates the cure -- low temperatures slow the cure.
Avoid curing in areas where the temperature is below 60°F (15°C).
Both Parts A and B react with atmospheric moisture and, therefore,
should be resealed or used up as soon as possible after opening. Before
resealing, Poly Purge, a heavier-than-air, dry gas, can be sprayed into
open containers to displace moist air and extend storage life. For
55-gallon drums of Parts A and B, affix Drierite® cartridges on the small
bung during dispensing to protect product from moist air entering the
drum.
SOFTENING THE RUBBER: Add Poly 74/75 Part C Softener to 74-Series
products for a lower viscosity mix and a softer cured rubber. When Part
C is used, cure time is longer and there is some loss of strength in the
rubber and increased tendency to shrink after repeated castings. To
soften Poly 74-30 to Shore A15, mix 1A:1B:1C by weight. The quantity
of Part C required to soften other products varies and should be
determined through experimentation.
ACCELERATING THE CURE: Cure time can be shortened with the
addition of an Accelerator, such as Poly 74/75 Part X, or by adding heat.
Part X is most useful when making brush-on molds to decrease the time
needed between coats. By adding 3% Part X (by weight of the total
mix) to 74-30 or 74-29, the working time is reduced to approximately 8
minutes -- in the time it takes to mix the next batch, the previous layer
gels enough to apply the next coat. Demolding is possible in as little as
4 hours after the final layer is applied. Rapid curing with Part X allows a
shell or mother mold to be made in the same day. Exercise caution when
using Part X for poured molds since the rapid onset of gelling may trap
air bubbles on or near the surface of the master. Heat also accelerates
the cure. It is recommended not to exceed 140°F (60°C).
THICKENING FOR BRUSH-ON: Add Poly Fiber II or Fumed Silica to
mixed Parts A and B to thicken the liquid mix to a gel for application by
brush or trowel.
USINGTHE MOLD:Typically, no release agent is necessary when casting
plaster or wax in Poly 74-Series molds. For casting plaster: sponge, dip
or spray the mold with Pol-Ease® Mold Rinse and then pour plaster on
the wet mold to reduce air bubbles in the plaster and aid release. For
casting resin, first spray the mold with Pol-Ease® 2300 Release Agent
or PolyCoat. For casting concrete, use a form release, such as Pol-Ease®
2650 or 2601. Avoid solvent-containing releases since they can cause
mold distortion (i.e., shrinkage or swelling).
After repeated casting with certain resins, plaster and concrete, molds
may shrink slightly since these materials extract oils from the mold. The
proper selection of release agent and/or barrier coat can minimize this
effect. If shrinkage becomes evident, a light application of Pol-Ease®
Mold Dressing can help to restore the mold to its original dimensions.
Poly 74-Series molds last many years if stored undistorted on a flat, non-
porous surface in a cool, dry location out of direct sunlight. If occasional
outdoor use is required, add 0.5% UV Additive to the total mix weight
to reduce the characteristic surface degradation caused by sunlight.
Never store Poly 74-Series molds outside as UV exposure will eventually
degrade the rubber.
CLEAN UP: Wipe tools clean before the rubber cures. Denatured
ethanol is a good cleaning solvent, but is highly flammable and must
be handled with caution. Coat work surfaces with wax, Pol-Ease® 2300
Release Agent or PolyCoat so that cured rubber can be easily removed.
SAFETY: Before use, thoroughly read Safety Data Sheets and product
labels. Follow safety precautions and directions.
Part A: Keep out of reach of children. Avoid breathing fumes, vapors, or
mists.Usewithadequategeneralorlocalexhaustventilationtominimize
exposure levels. If needed, a NIOSH-approved respirator with organic
vapor cartridge may be used. If inhaled, remove victim to fresh air and
keep at rest in a position comfortable for breathing. Wear impervious
gloves, such as butyl rubber or nitrile rubber. Wash thoroughly with
soap and water after handling. Take off contaminated clothing and
wash before reuse. If skin irritation or rash occurs, get medical help.
Wear eye protection, such as chemical safety glasses/googles. If in eyes,
rinse cautiously with water for several minutes, removing contact lenses
if present and easy to do. If eye irritation occurs, get medical help.
Part B: Keep out of reach of children. Do not breathe fumes, vapors,
or mists. Use with adequate general or local exhaust ventilation to
minimize exposure levels. If needed, a NIOSH-approved respirator with
organic vapor cartridge may be used. If inhaled, remove victim to fresh
air and keep at rest in a position comfortable for breathing. Get medical
advice if you feel unwell. Wear impervious gloves, such as butyl rubber
or nitrile rubber. Wash thoroughly with soap and water after handling.
If skin irritation occurs, get medical help. Wear eye protection, such as
chemical safety glasses/googles. If in eyes, rinse cautiously with water
for several minutes, removing contact lenses if present and easy to do.
If eye irritation occurs, get medical help. If spilled, collect spillage and
avoid release to the environment.
SHELF LIFE: For best results, store products in unopened containers at
room temperature (60-90°F/15-32°C). Use products within six months.
Part Bs darken with age, but product performance is not affected.
DISCLAIMER: The information in this bulletin and otherwise provided
by Polytek® Development Corp. is considered accurate. However, no
warranty is expressed or implied regarding the accuracy of the data, the
results to be obtained by the use thereof, or that any such use will not
infringe any patent. Before using, the user shall determine the suitability
of the product for the intended use and user assumes all risk and liability
whatsoever in connection therewith.
55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
Accelerator:
Poly 74/75 Part X Accelerator
Sealers & Release Agents:
Pol-Ease® 2300 Release Agent
Pol-Ease® 2350 Release Agent
Pol-Ease® 2450 Release Agent
Pol-Ease® 2601 Release Agent
Pol-Ease® 2650 Release Agent
Pol-Ease® 2500 Release Agent
PolyCoat Sealer & Release Agent
Pol-Ease® Mold Dressing
Pol-Ease® Mold Rinse
Poly PVA Solution (Green or Clear)
Softener:
Poly 74/75 Part C Softener
Product Life Extender:
Poly Purge Aerosol Dry Gas
Thickeners:
Fumed Silica
Poly Fiber II
UV Stabilizer:
UV Additive
Reinforcement Material:
Tietex® Fabric
Poly 74-Series Polyurethane Rubbers | Technical Bulletin | Page 2
ACCESSORIES
April 28, 2021
3. DESCRIPTION: Poly 75-Series Liquid Rubbers consist of two parts (A
and B), which, after mixing, cure at room temperature to flexible rubber.
Molds made with Poly 75-Series products are excellent for casting
concrete, plaster and wax. In addition, Poly 75-Series molds can be
used to cast various resins and foams when properly prepared. Poly
75-Series Liquid Rubbers are formulated for good economy with high
performance and durability.
BEFORE USE: Thoroughly read Safety Data Sheets, product labels
and the“SAFETY”section in this Technical Bulletin.
MODEL PREPARATION: Porous models, such as wood, plaster, stone,
pottery or masonry must be sealed. Multiple coats of paste wax dried
and buffed will seal most surfaces. Potters soap can be used as a sealer
for plaster. Lacquer, paint, PVA, and Pol-Ease® 2350 Release Agent also
work well as sealers for many surfaces. The properly-sealed model
should then be coated with a release agent (e.g., Pol-Ease® 2300 Release
Agent). Alternatively, PolyCoat, a sealer and semi-permanent release
agent, can be used on most porous or non-porous models. Porous
models must be vented from beneath to prevent trapped air from
forming bubbles in the rubber.
Models made of sulfur-containing modeling clay (e.g., Roma Plastilina)
should be sealed with shellac. [CAUTION: When shellac is used as
the sealer, it must be thoroughly coated with release agent because
polyurethane rubbers bond tenaciously to shellac.]
Non-porous models (e.g., metals, plasticine, wax, glazed ceramics,
fiberglass and polyurethanes) should be coated with release agent such
as Pol-Ease® 2300 Release Agent or PolyCoat.
If there is any question about the compatibility between the liquid
mold rubber and the prepared model surface, perform a test cure on an
identical surface to determine that complete curing and good release
are obtained.
MIXING AND CURING: Before use, be sure that Parts A and B are at room
temperature and that all tools are ready. Surface and air temperatures
Poly 75-Series Liquid Rubbers Technical Bulletin
55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
should be above 60°F during application and for the entire curing
period.
Check mix ratio. Weigh Part B into a clean metal or plastic mixing
container and then weigh the appropriate amount of Part A into the
same container. Mix thoroughly. Hand mixing with a Poly Paddle is
best to avoid mixing air into the rubber. While mixing, scrape the sides
and bottom several times to ensure thorough mixing. Pour the rubber
as soon after mixing as possible for best flow and air bubble release.
Vacuum degassing helps to provide bubble-free molds, but is usually
not necessary.
Allow rubber to cure at room temperature, 77°F (25°C). Carefully demold
after approximately 16 hours. Final cure properties are obtained in
about seven days, but molds may be used with care after curing for 24-
48 hours. Heat accelerates the cure -- low temperatures slow the cure.
Avoid curing in areas where the temperature is below 60°F (15°C).
Both Parts A and B react with atmospheric moisture and, therefore,
should be resealed or used up as soon as possible after opening. Before
resealing, Poly Purge, a heavier-than-air, dry gas, can be sprayed into
open containers to displace moist air and extend storage life. For
55-gallon drums of Parts A and B, affix Drierite® cartridges on the small
bung during dispensing to protect product from moist air entering the
drum.
- Firm yet flexible mold rubbers
- Ideal for demanding, high-production casting and
forming of concrete
- Dimensionally stable - molds can last for years
- Abrasion resistant for long mold life
- Easy-to-use, forgiving formulations
PHYSICAL PROPERTIES
Product 75-59 75-60 75-65 75-70 75-75 75-79 75-80 75-90
Mix Ratio By Weight 1A:1B 1A:1B 1A:1B 1A:1B 2A:1B 2A:1B 2A:1B 2A:1B
Shore Hardness A60 A60 A65 A70 A75 A80 A80 A90
Pour Time 10 min. 10 min. 35 min. 40 min. 20 min. 20 min. 45 min. 10-15 min.
Demold Time @ 73°F 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr.
Cured Color Amber Amber Yellow Gray Amber Yellow Yellow Tan
Mixed Viscosity (cP) 2,500 1,200 3,000 3,000 4,000 2,000 5,000 6,000
Specific Volume (in3
/lb) 27 27 27 27 26 26 26 26
Specific Gravity 1.05 1.05 1.04 1.05 1.06 1.07 1.07 1.07
Elongation (%) 588 459 550 724 722 369 468 774
Tensile Strength (psi) 637 545 520 938 1,064 655 750 1,979
Die C Tear Strength (pli) 122 103 145 299 247 143 199 368
PRODUCT LINE FEATURES
4. gloves, such as butyl rubber or nitrile rubber. Take off contaminated
clothing and wash it before reuse. Contaminated work clothing should
be not allowed out of the work area. Wash skin thoroughly with soap
and water after handling. If skin irritation occurs, get medical help. Wear
eye protection, such as chemical safety glasses/googles. If in eyes, rinse
cautiously with water for several minutes, removing contact lenses
if present and easy to do. If eye irritation occurs, get medical help. If
spilled, collect spillage and avoid release to the environment.
SHELF LIFE: For best results, store products in unopened containers at
room temperature (60-90°F/15-32°C). Use products within six months.
Part Bs darken with age, but product performance is not affected.
DISCLAIMER: The information in this bulletin and otherwise provided
by Polytek® Development Corp. is considered accurate. However, no
warranty is expressed or implied regarding the accuracy of the data, the
results to be obtained by the use thereof, or that any such use will not
infringe any patent. Before using, the user shall determine the suitability
of the product for the intended use and user assumes all risk and liability
whatsoever in connection therewith.
55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
Accelerator:
Poly 74/75 Part X Accelerator
Sealers & Release Agents:
Pol-Ease® 2300 Release Agent
Pol-Ease® 2350 Release Agent
Pol-Ease® 2450 Release Agent
Pol-Ease® 2601 Release Agent
Pol-Ease® 2650 Release Agent
Pol-Ease® 2500 Release Agent
PolyCoat Sealer & Release Agent
Pol-Ease® Mold Dressing
Pol-Ease® Mold Rinse
Poly PVA Solution (Green or Clear)
Softener:
Poly 74/75 Part C Softener
Product Life Extender:
Poly Purge Aerosol Dry Gas
Thickeners:
Poly Fiber II
UV Stabilizer:
UV Additive
Reinforcement Material:
Tietex® Fabric
SOFTENING THE RUBBER: Add Poly 74/75 Part C Softener to 75-Series
products for a lower viscosity mix and a softer cured rubber. When
using Part C, cure time is longer and there is some loss of strength in
the rubber and increased tendency to shrink after repeated castings.
Determine the quantity of Part C required through experimentation.
ACCELERATING THE CURE: Cure time can be shortened with the
addition of an Accelerator, such as Poly 74/75 Part X, or by adding heat.
By adding 1% Poly 74/75 Part X (by weight of total mix) to Poly 75-80, the
working time is reduced to approximately 10 minutes and demolding is
possible in as little as 6 hours. Exercise caution when using Part X since
the rapid onset of gelling may trap air bubbles on or near the surface
of the model. Heat also accelerates the cure. It is recommended not to
exceed 140°F (60°C).
USINGTHE MOLD:Typically, no release agent is necessary when casting
plaster or wax in Poly 75-Series molds. For casting plaster: sponge, dip
or spray the mold with Pol-Ease® Mold Rinse and then pour plaster on
the wet mold to reduce air bubbles in the plaster and aid release. For
casting resin, first spray the mold with Pol-Ease® 2300 Release Agent
or PolyCoat. For casting concrete, use a form release, such as Pol-Ease®
2650 or 2601. Avoid solvent-containing releases since they can cause
mold distortion (i.e., shrinkage or swelling).
After repeated casting with certain resins, plaster and concrete, molds
may shrink slightly since these materials extract oils from the mold. The
proper selection of release agent and/or barrier coat can minimize this
effect. If shrinkage becomes evident, a light application of Pol-Ease®
Mold Dressing can help to restore the mold to its original dimensions.
Poly 75-Series molds last many years if stored undistorted on a flat, non-
porous surface in a cool, dry location out of direct sunlight. If occasional
outdoor use is required, Poly 75-59, 75-65 and 75-80 perform best and
UV resistance can be improved by adding Poly UV Additive. Add 0.5%
UV Additive to the total mix weight to reduce the characteristic surface
degradation caused by sunlight. Never store Poly 75-Series molds
outside as UV exposure will eventually degrade the rubber.
CLEAN UP: Wipe tools clean before the rubber cures. Denatured
ethanol is a good cleaning solvent, but is highly flammable and must
be handled with caution. Coat work surfaces with wax, Pol-Ease® 2300
Release Agent or PolyCoat so cured rubber can be removed.
SAFETY: Before use, thoroughly read Safety Data Sheets and product
labels. Follow safety precautions and directions.
Part A: Keep out of reach of children. Avoid breathing fumes, vapors
or mists. Use with adequate general or local exhaust ventilation to
minimize exposure levels. If needed, a NIOSH-approved respirator
with organic vapor cartridge may be used. If inhaled and breathing
is difficult, remove victim to fresh air and keep at rest in a position
comfortable for breathing. Wear impervious gloves, such as butyl
rubber or nitrile rubber. Take off contaminated clothing and wash
before reuse. Wash skin thoroughly with soap and water after handling.
If skin irritation occurs, get medical help. Wear eye protection, such as
chemical safety glasses/googles. If in eyes, rinse cautiously with water
for several minutes, removing contact lenses if present and easy to do. If
eye irritation occurs, get medical help.
Part B: Keep out of reach of children. Do not breathe fumes, vapors or
mists.Usewithadequategeneralorlocalexhaustventilationtominimize
exposure levels. If needed, a NIOSH-approved respirator with organic
vapor cartridge may be used. If inhaled, remove victim to fresh air and
keep at rest in a position comfortable for breathing. Wear impervious
December 10, 2020
Poly 75-Series Liquid Rubbers|Technical Bulletin|Page 2
ACCESSORIES
5. DESCRIPTION: Use Poly 81-Series rubbers to make firm molds, mold
facings, stamping tools, industrial parts, rollers, gaskets, mold shells,
bumpers or pads. Poly 81-Series rubbers consist of two liquid parts (A
and B), which, after mixing, cure at room temperature to tough, durable
rubbers.They offer low sensitivity to moisture, and low viscosity for easy
mixing and pouring.
BEFORE USE: Thoroughly read Safety Data Sheets, product labels
and the“SAFETY”section in this Technical Bulletin.
MODEL PREPARATION: Porous models, such as wood, plaster, stone,
pottery or masonry must be sealed. Multiple coats of paste wax dried
and buffed will seal most surfaces. Potters soap can be used as a sealer
for plaster. Lacquer, paint, PVA, and Pol-Ease® 2350 Release Agent also
work well as sealers for many surfaces. The properly-sealed model
should then be coated with a release agent (e.g., Pol-Ease® 2300 Release
Agent). Alternatively, PolyCoat, a sealer and semi-permanent release
agent, can be used on most porous or non-porous models. Porous
models must be vented from beneath to prevent trapped air from
forming bubbles in the rubber.
Models made of sulfur-containing modeling clay (e.g., Roma Plastilina)
should be sealed with shellac. [CAUTION: When shellac is used as
the sealer, it must be thoroughly coated with release agent because
polyurethane rubbers bond tenaciously to shellac.]
Non-porous models (e.g., metals, plasticine, wax, glazed ceramics,
fiberglass and polyurethanes) should be coated with release agent such
as Pol-Ease® 2300 Release Agent or PolyCoat.
If there is any question about the compatibility between the liquid
mold rubber and the prepared model surface, perform a test cure on an
identical surface to determine that complete curing and good release
are obtained.
MIXING AND CURING: Before use, be sure that Parts A and B are at room
temperature and that all tools are ready. Surface and air temperatures
should be above 60°F during application and for the entire curing
period.
Poly 81-Series Liquid Rubbers Technical Bulletin
Check mix ratio. Weigh Part B into a clean metal or plastic mixing
container and then weigh the appropriate amount of Part A into the
same container. Mix thoroughly. Hand mixing with a Poly Paddle is
best to avoid mixing air into the rubber. While mixing, scrape the sides
and bottom several times to ensure thorough mixing. Pour the rubber
as soon after mixing as possible for best flow and air bubble release.
Vacuum degassing helps to provide bubble-free molds, but is usually
not necessary.
Allow rubber to cure at room temperature, 77°F (25°C). Carefully demold
after approximately 16 hours. Final cure properties are obtained in
about seven days, but molds may be used with care after curing for 24-
48 hours. Heat accelerates the cure -- low temperatures slow the cure.
Avoid curing in areas where the temperature is below 60°F (15°C).
Both Parts A and B react with atmospheric moisture and, therefore,
should be resealed or used up as soon as possible after opening. Before
resealing, Poly Purge, a heavier-than-air, dry gas, can be sprayed into
open containers to displace moist air and extend storage life. For
55-gallon drums of Parts A and B, affix Drierite® cartridges on the small
bung during dispensing to protect product from moist air entering the
drum.
USINGTHE MOLD:Typically, no release agent is necessary when casting
plaster or wax in Poly 81-Series molds. For casting plaster: sponge, dip
or spray the mold with Pol-Ease® Mold Rinse and then pour plaster on
the wet mold to reduce air bubbles in the plaster and aid release. For
casting resin, first spray the mold with Pol-Ease® 2300 Release Agent
- Firm rubbers with Shore A90 or D45
- Hard, yet flexible
- Easy-to-use formulations
- Reproduce fine details
- Make tough, long-lasting molds, tools & parts
PHYSICAL PROPERTIES
Product 81-90 81-D45
Mix Ratio By Weight 100A:40B 100A:20B
Shore Hardness A90 D45
Pour Time 23 min. 19 min.
Demold Time @ 73°F 16 hr. 16 hr.
Cured Color Varies Varies
Mixed Viscosity (cP) 2,000 1,600
Specific Volume (in3
/lb) 26.6 26.4
Specific Gravity 1.06 1.08
Elongation (%) 463 327
Tensile Strength (psi) 1,550 1,426
Die C Tear Strength (pli) 357 380
PRODUCT LINE FEATURES
55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
6. 55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
Sealers & Release Agents:
Pol-Ease® 2300 Release Agent
Pol-Ease® 2350 Release Agent
Pol-Ease® 2450 Release Agent
Pol-Ease® 2601 Release Agent
Pol-Ease® 2650 Release Agent
Pol-Ease® 2500 Release Agent
PolyCoat Sealer & Release Agent
Pol-Ease® Mold Dressing
Pol-Ease® Mold Rinse
Poly PVA Solution (Green or Clear)
Product Life Extender:
Poly Purge Aerosol Dry Gas
Thickeners:
Fumed Silica
Poly Fiber II
UV Stabilizer:
UV Additive
Reinforcement Material:
Tietex® Fabric
or PolyCoat. For casting concrete, use a form release, such as Pol-Ease®
2650 or 2601. Avoid solvent-containing releases since they can cause
mold distortion (i.e., shrinkage or swelling).
After repeated casting with certain resins, plaster and concrete, molds
may shrink slightly since these materials extract oils from the mold. The
proper selection of release agent and/or barrier coat can minimize this
effect. If shrinkage becomes evident, a light application of Pol-Ease®
Mold Dressing can help to restore the mold to its original dimensions.
Poly 81-Series molds last many years if stored undistorted on a flat, non-
porous surface in a cool, dry location out of direct sunlight. If occasional
outdoor use is required, add 0.5% UV Additive to the total mix weight
to reduce the characteristic surface degradation caused by sunlight.
Never store Poly 81-Series molds outside as UV exposure will eventually
degrade the rubber.
CLEAN UP: Wipe tools clean before the rubber cures. Denatured
ethanol is a good cleaning solvent, but is highly flammable and must
be handled with caution. Coat work surfaces with wax, Pol-Ease® 2300
Release Agent or PolyCoat so that cured rubber can be easily removed.
SAFETY:Before use, thoroughly read Safety Data Sheets and product
labels. Follow safety precautions and directions.
Part A: Keep out of reach of children. Avoid breathing fumes, vapors,
sprays, or mists. Use only outdoors or with adequate general or local
exhaust ventilation to minimize exposure levels. If needed, a NIOSH-
approved respirator with organic vapor cartridge may be used. If
inhaled and breathing is difficult, remove victim to fresh air and keep at
rest in a position comfortable for breathing. If experiencing respiratory
irritation, seek medical attention. Wear impervious gloves, such as butyl
rubber or nitrile rubber. Wash skin thoroughly with soap and water after
handling. If skin irritation or rash occurs, get medical advice or attention.
Wear eye protection, such as chemical safety glasses/googles. If in eyes,
rinse cautiously with water for several minutes, removing contact lenses
if present and easy to do. Store in a well-ventilated place and keep
container tightly closed.
Part B: Keep out of reach of children. Do not breathe fumes, vapors,
sprays, or mists. Use with adequate general or local exhaust ventilation
to minimize exposure levels. If needed, a NIOSH-approved respirator
with organic vapor cartridge may be used. If inhaled, remove victim to
fresh air and keep at rest in a position comfortable for breathing. Wear
impervious gloves, such as butyl rubber or nitrile rubber. Wash skin
thoroughly with soap and water after handling. Wear eye protection,
such as chemical safety glasses/googles. If in eyes, rinse cautiously with
water for several minutes, removing contact lenses if present and easy
to do. If eye irritation persists, get medical advice or attention. If spilled,
collect spillage and avoid release to the environment.
SHELF LIFE: For best results, store products in unopened containers at
room temperature (60-90°F/15-32°C). Use products within six months.
Part Bs darken with age, but product performance is not affected.
DISCLAIMER: The information in this bulletin and otherwise provided
by Polytek® Development Corp. is considered accurate. However, no
warranty is expressed or implied regarding the accuracy of the data, the
results to be obtained by the use thereof, or that any such use will not
infringe any patent. Before using, the user shall determine the suitability
of the product for the intended use and user assumes all risk and liability
whatsoever in connection therewith.
Poly 81-Series Liquid Rubbers | Technical Bulletin | Page 2
December 10, 2020
ACCESSORIES
![DESCRIPTION: Poly 74-Series Polyurethane Rubbers consist of two
parts (A and B), which, after mixing, cure at room temperature to
flexible, high-strength, mold rubbers. Poly 74-Series Rubbers make
durable, easy-releasing molds for casting plasters and waxes without
release agents. When Poly 74-Series molds are properly prepared, they
are also excellent for casting concrete and various resins, such as epoxy,
polyester, polyurethane and acrylic.
BEFORE USE: Thoroughly read Safety Data Sheets, product labels
and the“SAFETY”section in this Technical Bulletin.
MODEL PREPARATION: Porous models, such as wood, plaster, stone,
pottery or masonry must be sealed. Multiple coats of paste wax dried
and buffed will seal most surfaces. Potters soap can be used as a sealer
for plaster. Lacquer, paint, PVA, and Pol-Ease® 2350 Release Agent also
work well as sealers for many surfaces. The properly-sealed model
should then be coated with a release agent (e.g., Pol-Ease® 2300 Release
Agent). Alternatively, PolyCoat, a sealer and semi-permanent release
agent, can be used on most porous or non-porous models. Porous
models must be vented from beneath to prevent trapped air from
forming bubbles in the rubber.
Models made of sulfur-containing modeling clay (e.g., Roma Plastilina)
should be sealed with shellac. [CAUTION: When shellac is used as
the sealer, it must be thoroughly coated with release agent because
polyurethane rubbers bond tenaciously to shellac.]
Non-porous models (e.g., metals, plasticine, wax, glazed ceramics,
fiberglass and polyurethanes) should be coated with release agent such
as Pol-Ease® 2300 Release Agent or PolyCoat.
Poly 74-Series Polyurethane Rubbers Technical Bulletin
55 Hilton Street, Easton, PA 18042 | 800.858.5990 | 610.559.8620 | Fax 610.559.8626 | www.polytek.com | sales@polytek.com
If there is any question about the compatibility between the liquid
mold rubber and the prepared model surface, perform a test cure on an
identical surface to determine that complete curing and good release
are obtained.
MIXING AND CURING: Before use, be sure that Parts A and B are at room
temperature and that all tools are ready. Surface and air temperatures
should be above 60°F during application and for the entire curing
period.
Check mix ratio. Several Poly 74-Series Part Bs require stirring before
use (i.e., 74-20, 74-29, 74-30 and 74-40). Weigh Part B into a clean metal
or plastic mixing container and then weigh the appropriate amount of
Part A into the same container. Mix thoroughly. Hand mixing with a Poly
Paddle is best to avoid mixing air into the rubber. While mixing, scrape
- Make durable, long-lasting molds owing to strength and
elongation properties of cured rubber
- Pourable polyurethane rubbers that cure to soft to mid-
range hardnesses
- Easily thickened for brush-on applications
- No release agents needed when casting many plasters,
waxes and concretes
- Low-viscosity polyurethane rubbers capture detail from
intricate masters
PHYSICAL PROPERTIES
Product 74-20 74-24 74-29 74-30 74-30 Clear 74-30 HT 74-40 74-41 74-44 74-45 74-55
Mix Ratio By Weight 1A:2B 1A:1B 1A:1B 1A:1B 1A:1B 1A:1B 2A:1B 1A:1B 2A:1B 1A:1B 4A:1B
Shore Hardness A20 A25 A30 A30 A30 A30 A40 A40 A45 A45 A55
Pour Time 20 min. 20 min. 30 min.
25-30
min.
25-30 min.
25-30
min.
20 min. 20 min. 20 min. 30 min. 15 min.
Demold Time @ 73°F 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr. 16 hr.
Cured Color Yellow Amber Black
Amber/
Varies
Transparent
Amber
Amber/
Varies
Varies
Amber/
Varies
Gray Yellow Amber
Mixed Viscosity (cP) 800 2,000 2,800 2,000 2,000 2,000 3,400 2,000 3,500 2,000 4,000
Specific Volume (in3
/lb) 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5 27.5
Specific Gravity 1.01 1.01 1.02 1.01 1.01 1.01 1.01 1.01 1.01 1.02 1.01
Elongation (%) 1,060 750 1,600 506 507 975 400 1,060 2,422 1,135 894
Tensile Strength (psi) 217 220 520 281 281 304 349 360 462 408 679
Die C Tear Strength (pli) 43 55 109 62 62 70 95 77 129 82 155
PRODUCT LINE FEATURES](https://image.slidesharecdn.com/polytektb74-75-81-series5-5-2021-220317163315/85/Poly-74-Series-Polyurethane-Rubbers-1-320.jpg)
