| 摘要 |
PROBLEM TO BE SOLVED: To obtain an organic composite coated steel plate provided with superior lubricating properties on which the surfaces of coated steel plates are hard to slide each other. SOLUTION: An organic composite coated steel plate is provided with a steel plate on which a zinc or zinc alloy plated layer is applied for coating, a chromate treated layer of 1-200 mg/m<2> sticking amount in terms of metal chromium and a resin film formed in the range of 0.1 to 5μm thickness on the chromate treated layer, and the resin film is formed substantially of (A) 40-98 wt.% organic resin, (B) 1-40 wt.% silica fine grain, and (C) 1-30 wt.% organic lubricant, and the surface of a coated steel plate of at most 0.15 friction coefficient and the surface of a coated steel plate of at least 0.07 friction coefficient are hard to slide each other, and superior lubrication properties are provided.
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