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Precipitated silica

Chemical formula:


Molecular weight:


Standard executed:

HG/T 3061-2009


White highly dispersed amorphous powder or flocculent powder in appearance, melting point 1750, insoluble in water and the vast majority of acids, soluble in caustic soda and hydrofluoric acid. Does not decompose and burn in high temperature. Has high electrical insulation, water absorption and porosity, stability, reinforcement, thickening , thixotropy, high purity, large specific surface-area, strong adsorption, good dispersion.


Widely used in plastics, rubber, paper, paint, dyes, cosmetics and inks and other fields as a natural rubber and synthetic rubber reinforcing agent, synthetic resin filler, ink and paint thickener, paint matting agent, toothpaste friction agents, paper fillers and pesticide dispersants.


East of north China:0717-6760258;Central China southwest northwest:0717-6769072;North America, South America:0717-6760970;Asia, Africa:0717-6760332;Europe, Oceania:0717-6760756;