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AD Chemicals

Pre-treatment of galvanised steel - AD GALVA

AD GALVA

 

Precoat Zn

 

 

PRECOAT ZN is used to obtain a clear, no-rinse conversion coating on galvanised steel. After immersion (or

spraying) in (with) PRECOAT ZN, the wet film is dried on the galvanised surface without additional rinsing, prior

to the powder coating.

PRECOAT ZN is suitable in spraying and immersion processes.

PRECOAT CR FREE provides excellent adhesion with organic coatings (e.g. powder paint systems) and

depending on the required corrosion resistance a certain protection to under creep corrosion.

Application

:

Application

Immersion Spraying

Concentration PRECOAT ZN 2 - 5% 2 - 5%

Time 30 - 90 seconds 30 - 90 seconds

Temperature 5 - 30 °C 5 - 30 °C

pH 4,0 ± 0,8 4,0 ± 0,8

Conductivity 150 - 450 μS 150 - 450 μS

Drying temperature 80 - 150 °C 80 - 150 °C