答：主要是应用的领域不一样，从镀锌质量来说，热镀不如电镀的好，从锌层厚度来说，一般热镀要比冷镀厚

答：就是在钢铁材料外表镀上一层金属锌，用来隔绝钢铁材料和空气包括水分的接触，从而尽可能避免锈蚀的一种工艺。 镀锌从加工方法上还可以分为热镀和冷镀。热镀锌铁丝的意思就是用热镀的方法在铁丝的外表镀上一层金属锌的铁丝埃 这种铁丝过去多用于...

答：看表面光洁度和亮度，热镀锌相对比较毛糙，电镀锌是化学镀锌法很光滑而且比较光亮。

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