Phone: 773.252.2026   Fax: 773.252.4188
1620 N. Throop St.  Chicago, IL 60642

Zinc Trivalent Dichromate Plating


Zinc trivalent dichromate plating provides a similar finish to the hexavalent finish, with the added benefit of ROHS Compliance.


Trivalent dichromate conversion coating is a type of coating used to passivate, zinc, cadmium, copper, silver, magnesium, and tin alloys.


The process is named after the chromate found in the chromic acid used in the bath, more commonly known as trivalent chromium.


Cody Metal Finishing has the capabilities to plate to the ASTM B633 zinc trivalent dichromate application standards and similar applications of companies specifications.


Zinc Trivalent Dichromate Rack Finishing

Zinc Plating Services


Production Capabilities:


 •    ASTM B-633 Process      •   Zinc, Olive Drab & Black
    All Processes Cyanide Free       ROHS Compliant Zinc Clear & Yellow
 •    Hoist Line Capable Of Handling Parts As Long As 10’  
 •   Fully Automated Cycle-Master Line, Capable of Handling Parts As Long As 36”  
 •   Barrel Plating  
 •   Approved Supplies Include: Autoliv, ISI Takata, Key Safety Systems, Motorola, Delco, Briggs & Stratton, Ford, GM, Toyota, DMX Chrysler