Production status of fumed silica at home and abroad


Vapor phase silica has a production history of more than 60 years abroad. After years of development and research, countries like the United States, Germany, and Japan have produced and sold fumed silica in large quantities and established a complete application system. In 2000, the global production of fumed silica reached 150000 t/a, with the first manufacturer being Degussa Company of Germany, with a presentation of 60000 t/a, accounting for about 2/5 of the total production of fumed silica in the world, followed by Cabot of the United States, Wacker of Germany, and Tokuyama of Japan. The production of fumed silica is highly concentrated, the above companies mainly control the global market, and the technology is also tightly controlled. China began small-scale production of fumed silica in the 1960s. In China, only three companies, Shenyang Chemical Co., Ltd., Shanghai Chlor-Alkali Chemical Co., Ltd., and Guangzhou Jibishi Technology Industry Co., Ltd., produce fumed silica. The production capacity of Shenyang Chemical Industry Co., Ltd. is 1000 tons/year, and that of Shanghai Chlor-Alkali Chemical Industry Co., Ltd. is about 100 tons/year. The raw materials used are silicon tetrachloride. Guangzhou Jibishi Technology Industry Co., Ltd. is the first company in China to produce white carbon black using methyl trichlorosilane, a by-product of organic silicon. In 2007, the production capacity was 1000 tons/year, and within five years, the production capacity will reach 5000 tons/year, including 500 tons/year for hydrophobic products. Domestic fumed silica is still far from meeting market demand, so raged silica has been listed in the "Guidelines for Current Priority Development of High Technology Industrialization Key Fields" issued in 1999 and the "Catalogue of Current National Key Encouraged Industries, Products, and Technologies" approved and published by the State Council in 2000. If you are looking for high quality, high purity and cost-effective fumed silica, or if you require the latest price of fumed silica, please feel free to email contact mis-asia.

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