Zinc-PLUS 3 black will also surpass 240 hours to the first sign of white corrosion in neutral salt spray testing and over 500 hours to the first sign of red corrosion.
Zinc-PLUS 3 meets the demanding specifications of high gloss finish, good elasticity and minimal recess fill. This permits it to be used on a wide variety of part configurations. Zinc-PLUS3 offers significant cost savings when compared to other finishes offering this level of corrosion resistance. It meets all the adhesion requirements of the ASTM B-571 standard and has passed the climatic/cyclical testing of GM 9540P.