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Friction modifier for top coating agent for trivalent chromium chemical conversion coating film or chromium-free chemical conversion coating film, and top coating agent including same
Friction modifier for top coating agent for trivalent chromium chemical conversion coating film or chromium-free chemical conversion coating film, and top coating agent including same
Provided is a friction modifier for a top coating agent for a hexavalent chromium-free trivalent chromium chemical conversion coating film or chromium-free chemical conversion coating film, said friction modifier including a polyoxyalkylene fatty acid ester.
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