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石英砂是什么
更新时间: 2020-10-31 13:33:38  

石英砂是石英石经破碎加工而成的石英颗粒。石英砂具有坚硬、耐磨的特点,是重要的工业矿物原料,石英砂主要用于玻璃、铸造、塑料、橡胶等工业方面。石英砂主要分为普通石英砂,精制石英砂,高纯石英砂,熔融石英砂及硅微粉等。普通石英砂采用的是天然石英矿石,使用的周期是比较长的。精制石英砂采用的是优质天然石英砂,高纯石英砂采用的是优质天然石英石,熔融石英砂外观为无色透明块状的,硅微粉外观是灰色或灰白色粉末的。

关键词: 石英 什么

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