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 galvanization

SPECIFICATION SHEET N°1

STANDARD SPECIFICATION FOR A COATING CONSISTING OF:
• ANTICORROSION TREATMENT BY GALVANIZATION
• DECOZINC FINISHING WITH POLYESTER POWDER COATING
(This procedure is particularly suited to roof structures, railings, street furniture etc.)

SURFACE TREATMENT OF STEEL CONSISTS OF:

A – Anticorrosion treatment by galvanization
The ISO 9001 certified company will carry out:
1- On steel meeting the NFA 35503 Class 1 or 2 standard
2- On articles designed according to the NF EN ISO 14713 standard
3- A galvanization in compliance with EN ISO 1461
4- A thorough finishing process to remove any defects

The galvanization 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- 2 rinses with mains water
3– 2 rinses with demineralised water
4- Drying, degassing 220/240°C
5- Conversion coating
6- Electrostatic application of an architectural grade powder
7– Polymerization 180/200°C
8- Checks
9- 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