Tuesday, November 10th, 2015
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Anti-corrosion study for chromate-free primer of coil coating
1 Introduction A chromate-free pigment has a good anti-corrosion performance by the functions which passive a surface of a substrate due to its high oxidizability, forms an adamant deposited pellicle comes from reduction products of a chromate, and stabilizes the protective pellicle by a pH buffering. Good anti-corrosion performances like a chromate primer can be expected by the replacement to some pigments which have the similar anti-corrosion function to a chromate pigment. Furthermore, the organic binder’S design of a chromate-freeRead More …
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