Membre du groupe Galva Union

Z.I. du Pont Panay – B.P. 34
03500 ST-Pourçain-sur-Sioule
Tel : (33) 04 70 45 72 73
Fax : (33) 04 70 45 93 29
Email : decogalva@galvaunion.com
Site : www.galvaunion.com

DECOZINC powder coating after metallization

SPECIFICATION SHEET N°2

STANDARD SPECIFICATION FOR A COATING CONSISTING OF:
•  ANTICORROSION TREATMENT BY METALLIZATION
•  DECOZINC FINISHING WITH POLYESTER POWDER COATING
(This procedure is particularly suited to metal articles that cannot undergo galvanization or cataphoresis)

SURFACE TREATMENT OF STEEL CONSISTS OF:
 
A – Anticorrosion treatment by metallization
The ISO 9001 certified company will carry out:
1- On degreased steel, a Sa 2.5 sanding in compliance with ISO 12-944-4
2- The application of a metallization in compliance with NFP 24-351
3- A finishing process
The metallization process must be the subject of a Quality Assurance scheme
 
B – Powder coating finish
 
The company will carry out the following operations:
1- Degreasing + chemical stripping
2- Conversion coating
4- Electrostatic application of an architectural grade thermosetting powder
5- Polymerization 180/200°C
6- Checks
7- Packaging
The process must be the subject of a Quality Assurance scheme.
The articles must be free of pin holing.
 
C – A procedure that incorporates traceability
 
The powder coating procedure must be able to be checked a posteriori.
Traceability should include at the least a sample plate and a summary of the main production parameters.
 
D – The delivery of a guarantee
The anticorrosion + powder coating combination must be guaranteed by an Anticorrosion and Adhesion insurance. (Certificate of Insurance to be supplied)
- Anticorrosion Guarantee required :
10 years without reaching Re 3 on the European Rust Scale
- Resistance/Adhesion Guarantee required:
10 years (7 + 3 years format) with an intervention threshold of 5%
 
E – Compliance with regulations
Procedures must:
Comply with NFP 24-351
Be carried out by a “Thermolacier” certified company
Comply with suppliers' recommendations for products used
15/09/2005
 
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