Trivalent for Zinc and Zinc Alloys

Tridescent is a hexavalent-free trivalent chromate that provides 125 hours salt spray protection.

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Tridescent is a hexavalent-free trivalent chromate that provides 125 hours salt spray protection. It is the clear replacement for yellow iridescent chromate films on zinc and zinc alloys. It exceeds the requirements of ASTM B-633 Type II, may be baked at 400°F and readily fits into existing chromate cycles.