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RoHS Compliant Conversion Coatings for Zinc

Luster-On Tridescent

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

RoHS Compliant Zinc Chromate Conversion Chart

Tridescent Screw Tridescent Yellow Dye Tridescent Black
Luster-On Tridescent is approved for General Motors Spec 3044
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Luster-On Products 54 Waltham Ave Springfield, MA 01109 1-800-888-2541, 413-739-2541, Fax 413-731-5549