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LUBRICANT COMPOSITION FOR METAL MATERIAL PLASTICITY PROCESSING, LUBRICATING FILM AND COATED METAL MATERIAL PROVIDED THEREWITH, AND METHOD FOR MANUFACTURING COATED METAL MATERIAL
LUBRICANT COMPOSITION FOR METAL MATERIAL PLASTICITY PROCESSING, LUBRICATING FILM AND COATED METAL MATERIAL PROVIDED THEREWITH, AND METHOD FOR MANUFACTURING COATED METAL MATERIAL
Disclosed is a lubricant composition for metal material plasticity processing, said lubricant composition containing (A) at least one inorganic salt selected from a group consisting of sulfates, borates, silicates, phosphates, molybdates and tungstates, (B) a lubricant material with an average particle diameter of 20µm or less, (C) a water-soluble resin material with an average molecular weight of 5000-100000, and (D) water, and characterized by the weight ratio of the aforementioned components (A):(B):(C) being 1:0.01-20:0.01-20. Also disclosed are a lubricating film and a coated metal material provided therewith, and a method for manufacturing the coated metal material.
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