The effects of pretreatment for powder coating on the galvanized steel sheet were investigated through tests of cryslalography, film weight and salt spray test, and the existing process was improved.
对一种用于汽车和通讯行业的新型预磷化镀锌钢板的粉末喷涂前处理工艺进行了研究，通过晶相、膜质量及盐雾试验，对预磷化板的现有工艺进行了改进。
Corrosion resistance of aluminum tube surface with silane-rare earth composite coating was studied by electrochemical means, weight loss and salt spray test respectively.
采用电化学、失重和盐雾实验对铝管表面硅烷稀土复合膜的耐蚀性进行考察。
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