From rubber stoppers to thread closures, snap caps to aluminum seals, ChemScience completes your package with the appropriate closure for your application. https://www.chemscience.com/products/caps-and-closures

1. Leading Manufacturer & Supplier of Lab
Glassware, Consumables & Equipment

2. Caps and Closures
From rubber stoppers to thread
closures, snap caps to aluminum seals,
ChemScience completes your package
with the appropriate closure for your
application. Our caps conform to GPI
standard, ISO & ASTM specification, yet
as European DIN specs.

3. Caps, Solid, GL- 45 Threads, Polypropylene
Color Caps
Solid polypropylene caps with a molded
in lip seal. All color caps can be
autoclaved in steam to 140°C.

4. Polypropylene Caps
Polypropylene Caps are known permanently
impact strength, durability, cost effectiveness,
thermal resistance, and pliability.
Polypropylene vials caps are autoclavable.
Wide mouth PP caps are well-suited for several
dry products. Choose from unlined
polypropylene caps or bottle caps with various
liners.

5. Phenolic Caps
Phenolic caps are made of
thermoset plastic material known for
its binding properties. Phenolic caps
have strength and durability with
heat-resistant and insulating
properties; they are widely used in
laboratory applications. Good
resistance to chemical corrosion and
low moisture absorption.

6. High Temperature Caps, Solid, PBTE, PTFE
Seals
High temperature PBTE cap will
withstand temperature from -45 to
200°C. Complete with PTFE seal.

7. Caps and Septa for Chromatography Vials
When separating organic and
inorganic compounds for
analysis, vial closures protect
compound mixtures from
contamination. The caps feature
completely different finishes and
septa materials for gas or high
performance liquid
chromatography applications.

8. GL Caps With Aperture
Open top cap for use with GL screw
threads. The cap combined with the CS-
197 sealing ring will accommodate
tubing of the listed diameter. Cap is
made from PBT (thermoplastic
polyester) and will withstand
temperatures from -45 to 200º C.

9. Silicone Sealing Rings for GL Threads
Seal is made from silicone with a
vulcanized PTFE washer having
an aperture to fit the listed tubing
size. For use with CG-195 cap.

10. Pouring Rings, GL-45, Polypropylene
Clear Polypropylene Pour Rings to be
used with GL 45 media bottles and
flasks. Pour rings are made from clear
drip-free polypropylene
Maximum temperature: 140°C

11. Call us:
(U.S. & Canada)
1(833) 636-7850 (toll free)
1(514) 636-9980 (fax)
Email us at:
techsales@chemscience.com
Mailing Address:
965 Reverchon St-Laurent (Quebec) Canada H4T 4L2