Trivalent Black Zinc
Black-passivated trivalent acid zinc plating with a uniform glossy black finish — good quality at a competitive price, widely used on automotive and hardware fasteners.
Standard Black Zinc
For parts without salt-spray requirements — good quality at a low price.
Wax can be added on request.
High Corrosion-Resistant Black Zinc
Uniform glossy black appearance, good quality at a competitive price.
Salt spray resistance: 120 hours no white rust / 1,000 hours no red rust
Wax or lubricant can be added on request to meet friction-coefficient requirements.
