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Inorganic silicon gel Industry Status & Issues

Inorganic silica gel is a highly active adsorption material is amorphous material, its chemical formula is mSiO2 • nH2O. Insoluble in water and any solvent, non-toxic, odorless, chemically stable, in addition to alkali, hydrofluoric acid does not react with any substance. Various types of silica manufacturing methods and the formation of different porous structures. Silicone chemical composition and physical structure, determines that it has many other features too difficult to replace similar materials: adsorption properties, thermal stability, chemical stability, high mechanical strength, etc.
Silicon gel based on their pore size is divided into: large pore silica, coarse -pored silica gel, type B silica gel. In addition, there is beer silica gel, blue silica gel. Silicone was dominated by silicon dioxide, chemically stable, non-toxic. Silicone has a strong adsorption capacity, can produce the human skin drying effect. If the silicone into the eyes, flush with lots of water and seek medical treatment.
Use
Silica gel with a strong adsorption energy quickly and effectively sealed packages of moisture, chemically stable, non-toxic characteristics, silicone is often used in the following aspects:
Precision optical instruments, electronic appliances dry mold packaging;
Leather drying areas, such as placement in leather, leather bags, and leather shoes play a role in drying shelf;
Food drying, the more common on biscuits and fried foods in order to ensure food crispy;
Drug drier side, put in vials, to ensure that drugs prolong shelf life;
Container Drying: Shipping containers at different latitudes will form in the box on the "inner rain”, if you use silica gel desiccant , it can absorb the equivalent of its own weight of water, up to 50 days for ocean transport process , you can effectively reduce the dew condensation phenomena leaving the container under control .
Article class hotel, if placed in the wardrobe, shoes and under the bed, odor adsorption, keep the air fresh and dry.
The present situation of inorganic silica gel industry
Several major foreign companies are Germany Wacker, Dow Corning, and Shin-Etsu and Toshiba. The factory production of silicone rubber raw material price is 1.5 to 2 times the same quality of domestic product prices. Some special requirements adhesive technique is still in such foreign manufacturers to master, so the price is not cheap. Domestic influential is Fenglong Chemical Co., Ltd.
Inorganic silicon gel industry problems
First, because of the development time is limited, experience and technological innovation is considerably limited, and the domestic industry's overall quality of inorganic silica has a certain gap with foreign countries. China is now the production of most of the products produced meets the basic requirements of its customers, but encountered a very high performance to customer requirements or special types of plastic cases still imported.
Inorganic silicone industry is a capital -intensive industry, the current economic situation also determines the severity of their living environment, liquidity difficulties, product homogeneity serious, rising raw material prices and the company's survival was a great challenge. In addition, the inorganic silica within the industry is now also gradually form a vicious cycle of price wars , some of the low-end manufacturers, constantly lower prices , so that the whole industry profit margins continue to shrink.