(1)Corrosion control with environmental deprivation
The chromate film covers the coating layer uniformly to
prevent direct contact with corrosion factors.
prevent direct contact with corrosion factors.
(2)Corrosion control with self-repairing function
If the chromate film is damaged due to processing for
instance, hexavalent chromium dissolves in a moist
environment to form an oxide film for self-repairing.
instance, hexavalent chromium dissolves in a moist
environment to form an oxide film for self-repairing.