Product Introduction


  • Trivalent chrome passivation process without hexavalent and oxidizer, got SGS international certification.

  • Apply to zinc and zinc alloy trivalent chrome multicolor passivation process, excellent anticorrosive property.

  • Exceed the requirements of hexavalent multicolor passivation according to DIN 50 021 SS.

  • Produce coatings of a clear, green, nearly like rainbow color.

  • The passivation layer can also be dyed with organic colorings.

  • Reduce the cost of disposing waste water due to trivalent solution, satisfy the environmental requirements for prohibiting hexavalent chrome passivator layer.

  • Long service life, even with feed-back of rinse-water.

  • Comply with American standard GME00252 and GMW-3011.