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怎样分辨石棉和玻璃纤维
更新时间: 2020-10-31 00:00:00  

分辨石棉和玻璃纤维的方法是用火烧,一般玻璃六百度会软化,玻璃纤维因为直径很小,更容易软化收缩成小珠子状;石棉的熔点在一千度以上,普通打火机烧不化。

玻璃纤维是一种性能优异的无机非金属材料,种类繁多,优点是绝缘性好、耐热性强、抗腐蚀性好,机械强度高,但缺点是性脆,耐磨性较差。

关键词: 怎样 分辨 石棉 玻璃纤维

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