YuTong silica powder
　　 This product is widely used in the field of electronics and diamond tools.
Property: grey powder.
Particle size: 200 mesh, 300 mesh, 400 mesh etc.

Specification:
Density: 2.33 g/cm3
Atomic weight: 19.15 g/mol
Melting point: 1410
Boiling point: 2355
Purity: 99.9%