Zinc coat is shining and smooth and represents high quality surface. The consecutive chromating increases the corrosive resistance of zinc coat (blue, yellow, black).
Properties of the coating
- good resistance to corrosion aftre follow-up chromating
- attractive appearance (blue, yellow and black color)
Thickness of the coating
- usually 12 +/-3 µm.
- steel, cast iron, copper, brass
- wherever the good resistance to corrosion and appearance required