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怎么鉴别蜜蜡的真假

更新时间: 2021-03-19 11:08:02     

1、热试验:将针烧红,刺蜜蜡的不明显处,真的蜜蜡会有淡淡的松香味道。

2、盐水测试法:蜜蜡密度在1.05-1.10之间,在1:4(盐:水)的饱和盐水中,蜜蜡、轻质塑料和树脂均可浮起来,普通塑料、玻璃、压克力和电木下沉。

关键词: 怎么 鉴别 真假

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