Molecular formula：SiO2
Molecular weight：37.04
CAS：12125-01-8
Physical and chemical properties:
Melting point :1610°C, boiling point :>100°C, density: 2.6g /mL at 25°C, refractive index: 1.544, storage conditions :2-8°C, other name: gas-hydrated silica; Precipitated hydrated silica; Pure latex; Colloidal silica; Precipitated silica white powder or granular or irregular block, high temperature resistance, no combustion; Good electrical insulation, can react with caustic soda, can react with hydrofluoric acid.
Production usage:
It is used as a thickening agent of paint and coating filler, rubber reinforcing agent, plastic viscosifier, papermaking filler and thixotropic agent, and synthetic grease silicone grease. Electronic packaging materials, resin composite materials, plastics, coatings, rubber, pigment (dye) materials, ceramics, sealants, binders, FRP products, drug carriers. Cosmetics, antibacterial materials and other aspects are widely used.
Quality index
