Trivalent Black Chromium Plating Additive HN-902 is green product without haxavalent chromium, and the waste disposal is simple. The coating color is uniform and bright with good cover ability and distribution. No organic solvent in the plating solution, excellent tolerance against sulfate and chloride ion. It won't cause bad plating result when power off; the deposition rate is faster than that of haxavalent chromium plating. Adopting graphite anode can improve the quality and stability of the bath.
Trivalent Black Chromium Plating Additive HN-902