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Silica gel

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.

Like, silicone can be classified by their nature and composition of organic silicon and inorganic silica gel type.


Is a highly active inorganic silica gel adsorption material, usually with sodium silicate and sulfuric acid the reaction, and after a series of processes such as aging, acid foaming system. Silica gel is non-crystalline substances, whose chemical formula is mSiO2. nH2O。 Insoluble in any solvent and water, nontoxic tasteless, chemically stable, in addition to strong alkali and hydrofluoric acid does not react with any substance. Various types of silicone because of its different manufacturing methods and different pore structures. Silicone of chemical group copies and physical structure, decided has it has many other similar material to replaced of features: adsorption performance high, and hot stability good, and chemical nature stable, and has high of mechanical strength,, family as desiccant, humidity regulation agent, except smelly agent,; industrial as oil hydrocarbon bleaching agent, catalyst carrier, transformer adsorption agent,; fine chemical with separation purification agent, beer stable agent, paint increased heavy agent, toothpaste friction agent, elimination light agent,.

Silicone is an organic silicon compound, refers to the Si-C key, and at least one organic base compounds which are directly connected to the silicon atom, habits are often those with oxygen, sulphur, nitrogen and other organic base connected with the silicon atoms of the compound as organic silicon compounds. Among them, the SI-o bond (-Si-O-Si-) as framework comprising polysiloxane, is the largest organic silicon compounds, studied the deepest, the most widely used class of more than 90% per cent of the total volume.

Extruded silicone are relatively common, such as household electric rice cooker, seal ring, known as the rice cooker silicone seals.

Molded silicone complex, irregular shapes, including silicone Bowl, silicone ice tray, silicone Cake mould and so on.


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