Is trivalent chromium plating different from trivalent chromate? 【Video】
Is trivalent chromium plating different from trivalent chromate?
Q: Is trivalent chromium plating different from trivalent chromate? A: The two are completely different technologies. Plating is a technique that covers a material with metal, while chromate treatment is a chemical treatment. Trivalent chromium plating is typically done over nickel plating, and the base material can be any metal that can be plated. However, trivalent chromate is generally applied after zinc plating, but we can also directly apply trivalent chromate to aluminum die casting and zinc die casting.
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The chrome plating film is metallic, while the chromate film is a chemical film. Since hexavalent chromate film contains hexavalent chromium, it does not comply with the RoHS directive, but trivalent chromate can comply with the RoHS directive. [Contact Information] TEL: 048-994-5931 FAX: 048-994-5935 E-mail: info@silvec.co.jp
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