‘White rust’; the enemy of zinc coated steel strips is in itself a form of corrosion that occurs during storage and is unacceptable for critical applications in, white goods, construction and other industries.
Passivation treatments form a barrier to corrosion and are applied in-line. PRIMECOAT from AD CCT is a market leader in chrome free, products in Europe.
AD CCT PRIMECOAT passivation products are both economic and effective in use. The coiled strip can be stored without oiling and offers benefits in ease of formability, deep drawing, post paint ability, as well as extended corrosion protection.
AD International has experience and expertise in the treatment of substrates, such as magnesium; aluminum alloyed zinc coated steel and galvannealed strip products.
- PRIMECOAT® Z808 series, complete chrome free passivation
- PRIMECOAT® Z838 series, trivalent chrome passivation.
- Unique passivation system that can also be used as a TOC.
- PRIMECOAT® Z80xx series and Z838 series perform well on most common zinc-coated steel types such as Zinc, Mg-Al-Zn, Galvalume Galfan, Galvanealed, AluSi amongst others.