METAL CRO III

METAL CRO III is a trivalent chromatizer that produces a blue-colored film on electroplated zinc surfaces. 
It has a total absence of hexavalent chromium, facilitating the treatment of effluents and providing corrosion protection of up to 24 hours 
in a Salt-Spray chamber without white corrosion. Its ideal application is for deposits of acidic zinc, alkaline cyanide and alkaline without 
cyanide, can be used in installations with hooks or rotating drums.