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  • Analysis of silicone, silicone rubber raw material characteristics and industry application market
    Dec 07, 2017

    Silica gel is a highly active adsorption material, is amorphous material, insoluble in water and any solvents, chemical properties of stability, non-toxic tasteless, in addition to hydrofluoric acid and alkali, not with any material reaction. Its chemical formula is: MSIO2?NH2O. Various types of silica gel because of their different manufacturing methods, and the formation of different micro-pore structure. The chemical composition and physical structure of silica gel determine that he has many other similar materials which are difficult to replace: High adsorption properties, good thermal stability, high mechanical strength and stable chemical properties.

    Silicone raw materials can also be called pad printing silicone, palm silicone, mold silicone rubber and so on.

    Silica gel According to its pore size is divided into: macroporous silica gel, coarse pore silica gel, B-type silica gel, microporous silica gel. Because of the different pore structures, their adsorption properties are characteristic. Thick-hole silica gel in relatively high humidity conditions have a higher adsorption, fine-pore silica gel in the case of low relative humidity is higher than the coarse-pore silica gel, and B-type silica gel due to pore structure between the coarse, fine-pore silica, the adsorption capacity between the coarse, thin hole. Macroporous silica gel is generally used as catalyst carrier, matting agent, toothpaste abrasive and so on. Different varieties are therefore selected according to different uses. The silica gel absorbs moisture and can be regenerated by means of insolation, roasting and drying.