This document provides information on tests, certificates, and approvals for Zinga, a zinc-rich coating. It summarizes several test reports that evaluated Zinga's corrosion protection and durability when exposed to saltwater, seawater, and other corrosive environments. It also lists certificates and approvals received from certification bodies, standards organizations, and companies in various countries confirming that Zinga complies with their requirements for corrosion resistance and other qualities.

1. www.zinga.eu
TESTS,
CERTIFICATES AND
APPROVALS

2. Difference?

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Test report
• A report of a test performed by an (accredited) lab or a company
• According international, national or company standards
• Relevance and importance depending on standard / lab / company
• Gives actual data to the customer
which they can compare / quantify
• No expiration date
• E.g. Test according ISO 12944, NORSOK M501

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Certificate
• An official paper confirming that a product complies to certain
requirements or standards granted by a certification body or company
• Based on test results
• Relevance and importance depending on institute providing the certificate
• Requires a demand from the certification body
(money, audit, training, …)
• Gives the customer a certitude
that the stated is real
• Expiration date
• E.g. ISO 9001 certification, ETA certificate

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Approval
• A (semi-) official paper confirming that the product is fit for use in a specific
context granted by a company, interest groups, ministries or army forces
• Based on test results or certificates
• Relevance and importance depending on institute providing the certificate
• Gives the producer the right to use
the product in the institute
• Expiration date
• E.g. Landrover approval, Ministry of Works Bahrain

6. ZINGA TEST RESULTS

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ZINGA Galvanic Protection
• COT (Netherlands)
NORSOK M501 Syst 7 ánd Syst 1
“The system Zinga, dry film thickness 60/60 µm DFT,
meets the evaluated requirements of Norsok M501
Rev. 5 system 7”
“The system Zinga, dry film thickness 60/60 µm DFT,
meets the evaluated requirements of Norsok M501
Rev. 5 system 1”
Tests done:
4200 hours immersion in seawater
4200 hours cyclic test
Pull-off (7MPa)
No cathodic disbondment

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ZINGA Galvanic Protection
• COT (Netherlands)
ISO 12944 on ZINGA 2 x 60 µm DFT
Classification: C5I-Medium
(equals to C5M-Medium and C4-High)
ISO 12944 on ZINGA 2 x 90 µm DFT
Classification: C5I-High
(equals to C5M-High)
C5I: Industrial zones with high humidity and aggressive environment
(continuous condensation and high pollution, chemical factories on sea side)
C5M: Coastal zones and marine zones with high salinity
(continuous condensation and high pollution)
Medium: Life expectation between 5 and 15 years
High: Life expectation more than 15 years
The phosphate Mine in Togo
(Office Togolais des Phosphates)

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ZINGA Galvanic Protection
• COT (Netherlands)
ISO 12944 on ZINGA 1 x 60-80 µm DFT
+ Zingalufer 1 x 80 µm DFT ZINGA + PU sealer
ISO 12944 on ZINGA 1 x 60-80 µm DFT
+ Zingaceram HS 1 x 120 µm DFT ZINGA + Epoxy sealer
ISO 12944 on ZINGA 1 x 60-80 µm DFT
+ Zingaceram HS 1 x 120 µm DFT
+ Zingaceram PU 1 x 60 µm DFT ZINGA with coloured
PU finish
ISO 12944 on ZINGA 1 x 60-80 µm DFT
+ Zingaceram HS 1 x 120 µm DFT
+ Zingaceram EP 1 x 60 µm DFT ZINGA with coloured
Epoxy finish
Classification: C5I-High
(equals to (equals to C5M-High)

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ZINGA Galvanic Protection
• COT (Netherlands)
ISO 12944 on ZINGA 1 x 60-80 µm DFT
+ Zingatarfree 2 x 100 µm DFT ZINGA + PU black
finish for immersion
Classification: Im2 and Im3-High
Im2: Sea or brackish water
(harbors with locks, jetties, offshore structures; make sure there is no stray current)
Im3: Soil
(underground storage, iron poles)
High: Life expectation more than 15 years
Pylons of ICE (Costa
Rica)

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ZINGA vs HDG
• BNF Fulmer Research Institute (Ireland)
Test comparison HDG vs ZINGA in immersion
Same galvanic protection as hot-dip at a depletion
rate of 1/3 (when immersed ~ Pier legs in Killybegs, Ireland)
“Zinga offers galvanic protection to steel comparable to that offered by galvanised steel.”
“Under the continuous immersion conditions studied, the Zinga coated mild steel specimens
corroded at a lower rate than galvanised zinc coated specimens.”
“The electrochemical work has confirmed that Zinga is a corrosion resistant zinc coating
which protects mild steel effectively under simulated marine conditions.”
• Direction Départementale de l’Equipement (France)
Field test: 2 buoys in Guérinière Bay
Zinganised buoy performs better than HDG buoy
“After a period of nearly 4 years in the sea, the buoy doesn’t show a single
rust spot.”
ZINGA HDG

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ZINGA on rebars
• Amirkabir University (Iran)
Tests on Zinganised rebars o.a. salt spray test
The zinganised rebars passed the 500 hours salt spray
test without formation of rust, peeling or blistering, not even
in places where the coating was mechanically damaged.
Tests done:
180 days testing in condensation chamber
180 days testing in wave tank
Evaluation of results after testing, including blister detection
(when applicable), undercutting from scribe, adhesion and coating flexibility
• Jadavpur Uni & National Metallurgical Lab (India)
Salt spray test
ZINGA was best in a comparison to other means of corrosion
protection of rebars
The salt spray test pointed out that the zinganised rebars have a corrosion resistance that is
about 2 times higher than that of hot-dip galvanised rebars. ZINGA is also least susceptible
for stress corrosion cracking. In NACE solution: ZINGA > HDG > FBEC > Stainless steel > Mild steel

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Health
• Water Quality Center (Australia)
Test ZINGA in contact with potable water (AS/NZS 4020)
The results show compliance to AS/NSZ 4020 for ZINGA
The water in contact with ZINGA was tested on taste and appearance, on growth
of aquatic micro-organisms, cytotoxic and mutagenic activity and an analysis
of a metal extraction was performed.
+ comparable certificates from
other countries (e.g. Iran)
AS/NZS 4020 certificate

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Reaction to fire
• SGS Yarsley Technical Services (United Kingdom)
Test on fire propagation on ZINGA (BS 476 part 6 and part 7)
ZINGA obtained best possible result
“In accordance with the Flame Spread Classification given in the Standard and reproduced
above, the results show that the material has a Class 0 surface.”
• Efectis (The Netherlands)
Classification of reaction to fire performance on ZINGA
(EN 13501-1:2007 + A1:2009)
ZINGA obtained best rating
“The product, ZINGA 2 x 90 µm DFT, coating on steel, in relation to its reaction
to fire behaviour is classified:
Reaction to fire classification: B – s1, d0”

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Friction Coefficient
• KTA TATOR (USA)
Test on the friction coefficient of ZINGA (ASTM A325)
The slip coefficient of ZINGA is 0.52.
(<> slip coefficient HDG: 0.19)
“The primer exhibited a slip coefficient of 0.52 and passed the 1,000-hour Creep Deformation test.
The primer is certified Class B at a maximum thickness of 4 mils.”
• RTA Roads & Traffic Authority (New Zealand)
Test on the friction coefficient of ZINGA (AS4100:1998)
The slip coefficient of ZINGA is 0.53.

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More Test Results
See document
“Overview Main Test Reports on ZINGA”

17. CERTIFICATES

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International
• European Technical Approval
Biggest approval body in Europe
Evaluation of the product specifications:
Adhesion - Contents of metallic zinc - Solid contents by mass -
Flash point – Density
Reaction to fire:
Heat release - Smoke production
• Lloyd’s Register
International Maritime classification society
Based on reports, test certificates and documents from independent research
facilities from around the world.
ZINGA has been approved for use in void spaces
(all internal structures except for oil tanks and ballast tanks).

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National
• APAS (Australia)
Australian/International Paint Approval Scheme
After a thorough research of test reports, applications in Australia
and a visit to the factory in Belgium, Zingametall BVBA was
acknowledged as a recognized manufacturer by the APAS.
“APAS (Australian Paint Approval Scheme) is the largest
and most widely recognized paint scheme in the world”
• Green Label (Singapore)
Non-profit Environmental Organisation
After testing of both ZINGA and Aquazinga by Admaterials to look for the presence of:
Halogenated Solvents, N-Methyl Pyrroline, Formaldehyde, Alkyl Phenol Etoxylates,
Epichlorohydrin, Cadmium, Mercury, Lead and Chromium
Both products were found according requirements for certification with a Green Label
+ MANY OTHERS WORLD WIDE

20. APPROVALS

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National
• Transelectrica (Romania)
National Electricity Company
Based on extensive testing by Agrément Tehnik în Consţructii România (Ministry of
Regional Development and Housing &Technical Council for Permanent Construction)
and ISO 9001 certification.
• Ministry of Works (Bahrain)
Construction arm of the government of the Kingdom
of Bahrain
Following MED standard procedures for assessment and technical evaluations of the
above material (ZINGA) as to compliance with Ministry of Works specifications and
requirements, we advise as per following details:
Compliance with relevant standards and specifications
+ MANY OTHERS WORLD WIDE

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Companies
• Approval by CFE (Mexico)
Comisión Federal de Electricidad
Tests performed:
Warm air chamber (85°C) 1416h
Salt spray chamber 2016 h
Xenon chamber 2016
Measurement of brightness before and after conditioning.
Adhesion before and after conditioning.
Determination of abrasion indices.
Coating thickness
Evaluation of Blistering, Rust and Fault area.
• Approval by Land Rover (UK)
International car producer
Zinga, zinc coating both uncoated and overcoated with a matt black
polyurethane topcoat met the performance requirements of LRES.22.0F.01.
This product is therefore approved by Land Rover.
+ MANY OTHERS WORLD WIDE

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Military
• US Army and US NAVY(USA)
Biggest army force in the world
Zinga conforms to the requirements of CID A-A59745.
Additionally, it has successfully undergone additional testing.
• NATO (International)
Intergovernmental military alliance
In 1989 Zingametall received a Manufacturer’s card and a
NATO Stock Number for ZINGA. A NATO Stock Number is
recognized as a stock number of the armies of the member
states. Every product that is accepted by the NATO can be
used by all the armies of the NATO member states without
the necessity or obligation to test the product again.

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