The difference of phosphate coating between aluminum alloy sheet and cold rolled sheet is compared by the test of chemical converted film and its structure on the surface of aluminum alloy sheet.
通过对铝合金板材进行的化学转化膜及膜结构的研究试验，对比了铝合金板与冷轧钢板磷化的异同点。
Scope of construction: It can be used in iron panel , steel plate, aluminum plate, aluminum alloy plate, galvanized sheet, FRP and on any painted metallic surface.
施工范围：可用于铁板、钢板、铝板、铝合金、镀锌板、玻璃钢及上过底漆的任何金属表面。
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