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冷镀和热镀的肉眼区别

更新时间: 2020-10-30 13:57:12     

冷镀和热镀肉眼最明显区别就是厚度与外观的不同,热镀锌的锌层较厚,防腐能力较强,表面明亮,但略显粗糙还可以有锌花出现。而电镀锌的锌层较薄,表面光滑,加工性能好,但是耐腐蚀性不强,还会有灰暗和发污的情况发生。热镀锌的外观常见为银白色,略显粗糙,电镀层的表面较光滑,一般为黄绿色,也有七彩、青白色、白色呈绿光等等颜色。

关键词: 肉眼 区别

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