what is dichromate finish
Zinc Dichromate Plating Dichromates were originally used as primers for paint until their natural appeal was realized. Zinc dichromate plating provides additional protection for corrosion vs. clear chromates.Zinc dichromate remains a Superior chromate for primer applications. The iridescents in a dichromate conversion, can display different iridescent hues.These hues can appear to be yellow, green, red, blue and etc. in appearance. Cody Metal Finishing has capabilities to plate to the ASTM B633 zinc dichromate application standards and similar applications.he iridescents in a dichromate conversion, can display different iridescent hues. These hues can appear to be yellow, green, red, blue and etc. in appearance. Cody Metal Finishing has capabilities to plate to the ASTM B633 zinc dichromate application standards and similar applications.