镀锌件涂装底漆选择
阴极保护培训武汉
CPIA 领导力会议
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joyful_328:油漆防腐时,是否需要将旧涂层完全去除?如果留有旧涂层,重新涂装时,环氧富锌底漆+环氧云铁中间漆+聚氨酯面漆的配套方案是否合适?会不会造成浪费呢?个人觉得留有旧涂层的区域只需要打毛出一定粗糙度,再用中间漆和面漆涂装就够了,底漆就没必要了,有旧涂层在,底漆起不到防锈 .. (2012-12-22 20:43)
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