Anti-Corrosive Zinc Tetroxy Chromate is yellow in colour. The Zinc Tetroxy Chromate is an anti-corrosive pigment used to manufacture anti- corrosive primer paint systems. The Zinc Tetroxy Chromate is meant for use in wash/ etch primer coatings which offer good adhesion to paint systems on non-ferrous metals like tin, aluminium and galvanized iron substrates. The Anti-Corrosive Zinc Tetroxy Chromate is reactive to a less extent with acidic vehicles.