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What is white trivalent passivate my uk customer specifies zinc plate white trivalent passivate?In: Paint Jobs |
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Trivalent Passivates
A 'trivalent passivate' is a 'conversion coating' applied to a zinc surface. It is called a 'conversion coating' because it converts the zinc to a coating comprising zinc and trivalent chromium salts. These products and processes have been developed in response to End-of-Life-Vehicle requirements in Europe and Restrictions on Hazardous Substances (RoHS). Their performance is inferior to classical hexavalent chromates and they are more expensive to apply.
First answer by ID403383978. Last edit by ID403383978. Question popularity: 9 [recommend question]
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