石英砂_福建石英砂-福建省平潭县牛山石英砂有限公司--Product--silica powder

Quartz is a very stable physical and chemical properties of the mineral resources, the chemical composition of quartz silica. TRIGONAL oxide mineral crystal, quartz or hypothermia (a-quartz) . Quartz is the most widely distributed of a national minerals minerals. Generalized include high temperature quartz silica (b-quartz). Block also known as quartz silica, quartz sand production is the main (or silica sand) of raw materials, refractories and quartz is the raw material used to bake ferrosilicon.Quartz sandstone, the major component of quartz, density of 2.65 grams per square centimeter, Mok's hardness of 7, crystallization system is 60,000 crystal appearance as a white, gray, gray and so on. Mainly for glass products, foundry industry, the metallurgical industry, ceramic uranium surface, refractories, cement industry, the chemical industry.