Aluminum wheel non-chromium passivation process does not contain heavy metals like Chromium, Cadmium and Lead, and other harmful organism. The anti-corrosion ability and anti-yellowing ability are great. The solid passive film can significantly improve the adhesion between the coating and the paint.
Aluminum wheel non-chromium passivation process can be used for aluminum alloy wheel and aluminum alloy surface treatment.
HN-110 Non-chromium Passivation Agent