ANIM® ZN913 trivalent chromium black passivation technology is a kind of trivalent chromium black passivating agent with wide operation range, which has stable blackness, and excellent corrosion resistance, and is applicable for all zinc plating layer, such as cyanide zinc plating, alkaline cyanide-free zinc plating, acidic zinc plating.
Characteristics of the products
1. It contains no hazardous substances, such as hexavalent chromium, silver and dye, which is in accordance with EU environmental protection standards.
2. It has excellent heat resistance and corrosion resistance.
3. The film has stable blackness, and the operation range is wide.
4. It has good corrosion resistance even there is no sealing agent and without post-treatment.
�