Product Description

Silica sand is a hard, abrasion resistance, chemical stability properties of silicate minerals, mineral composition is mainly SiO2, quartz sand as white or colorless translucent color, hardness seven sexual crisp no cleavage, Profiles fracture, oil sheen. 2.*5 relative density, chemical, thermal and mechanical properties of the anisotropy is obvious that do not dissolve in acid. Micro-soluble powder, the melting point of **5 ° C.