The description of quality: Chemical formula SiO2.nH2O, Also known as hydrated silica.A white powder or granular. High melting point, hardness, difficult to dissolve in water. Is acidic oxide, silicic acid of the anhydride. chemical property is stable, Neither dissolve in water nor with the water reaction does not work with the general acid.
Main application: use as tilting to absorb the oil dispersant, such as pesticide carrier. At the same time silica matting agent is also widely used as a paint coating industry.