Silica Flour

Silica is usually referred to the natural quartz sand(that is: SiO2), which is an important chemical raw material, mainly used to manufacture fire-resistant brake, mono-crystalline silica and cement and other uses.

Product Specifications

Chemical formula Chemical composition Density, g/cm3 Mohs hardness
SiO2 SiO2 − 97.5-99.8%, Al2O3 − 0.05-2%, Fe2O3 − 0.02-0.05% 2.65 7