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Mining Industry Quartz Sand

How Many Types of Quartz Sand. Quartz has high fire resistance. In industry, quartz sand is divided into ordinary quartz sand, refined quartz sand, high-purity quartz sand, fused quartz sand and silica fume. 1. Ordinary Quartz Sand. Ordinary quartz sand, that is, SiO2 90-99, Fe2O3 0.06-0.02, fire resistance 1750 .

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