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Silica gel
Jun 21, 2016

Silica gel (Silica Gel; Silica) alias: silicic acid gel is a highly active adsorbents, an amorphous substances, whose chemical formula is mSiO2 • nH2O; in addition to alkali and hydrofluoric acid does not react with any substance, does not dissolve in any solvent and water, nontoxic tasteless, chemically stable. Various types of silicone because of its different manufacturing methods and different pore structures. The chemical composition and physical structure of silica gel, and determines that it has a number of other similar materials are difficult to replace features: high adsorption and thermal stability, chemical stability, high mechanical strength and so on. Silicone according to their pore size are: large-pored silica gel, coarse-pored silica gel, type b silica gel, fine-pored silica gel, etc.


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