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HOT-DIP ALUMINUM-ZINC COATED STEEL SHEET WITH EXCELLENT WEATHERABILITY, CORROSION RESISTANCE, AND ALKALI RESISTANCE, AND PREPARATION METHOD AND SURFACE TREATMENT AGENT THEREFOR
HOT-DIP ALUMINUM-ZINC COATED STEEL SHEET WITH EXCELLENT WEATHERABILITY, CORROSION RESISTANCE, AND ALKALI RESISTANCE, AND PREPARATION METHOD AND SURFACE TREATMENT AGENT THEREFOR
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机译：具有优异的耐候性，耐蚀性和耐碱性的热浸镀铝锌钢板及其制备方法和表面处理剂
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摘要
Disclosed is an aluminium-zinc hot-plated steel plate having excellent weather resistance, corrosion resistance and alkali resistance, and an environmental-friendly surface treating agent therefor, wherein after the surface treatment of the aluminium-zinc hot-plated steel plate using an environmental-friendly surface treating agent consisting of the components of a matrix resin compounded from a particular solvent-free aqueous aliphatic polyurethane dispersion and aqueous polyurethane-acrylic acid copolymer, an organic silicon compound, a matrix resin curing agent, a water-soluble metal salt compound and a high-density polyethylene lubrication auxiliary etc., the formed surface-treated aluminium-zinc hot-plated steel plate has comprehensive properties of excellent weather resistance, corrosion resistance and alkali resistance, and good machine formability etc.
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