
Quality Anodising and Surface Coatings Specialists for
Brisbane and Australia

Chromate Chemical Conversion
Chromate conversion is a chemical film treatment primarily used as a pre coating or finish for corrosion resistance.
Chemical conversion for aluminium is carried out as per MIL-DTL 5541F.
Type 1 - Yellow: Contains hexavalent chromium
Type 2 - Clear: ROHS compliant, containing no hexavalent chromium.
Class 1A - For maximum protection against corrosion, painted or unpainted.
Class 3 - For protection against corrosion where low electrical resistance is required.