Microsilica powder (raw ash)
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Silica (quartz stone) is the general name of vein quartz, quartzite and quartz sandstone. It is mainly used in metallurgical industry for acid refractory bricks. Pure silica can be used as quartz glass or to refine single crystal silicon. In the chemical industry, it is used to prepare silica compounds and silicates, and can also be used as a filler for sulfuric acid towers. In the building materials industry, it is used in glass, ceramics, silicate cement, etc. It can be used as raw material for smelting iron alloy such as industrial silicon.