Zinc plating additives are our specialty. Zinc platers worldwide depend on Columbia Chemical for pre-plate cleaners and acid inhibitors, high-performance brighteners and chromate processes, and post-plate topcoats and sealers.
Our research and technical specialists are expert at providing solutions for zinc and zinc alloy plating, meeting the latest requirements for corrosion resistance and environmental compliance. In Columbia Chemical’s 35-year history, many of our zinc finishing processes have become industry standards, including COLDIP® chromate conversion coatings, COLZINC® & EXCEL® alkaline zinc, COLSID® & EXTREME® acid chloride zinc, COLLOY zinc-alloys, and SpectraMATE® and TRIVECTA® trivalent chromates.
If zinc plating is your business, you've come to the right place!