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- Contact Person : Mr. Xi Songlin
- Company Name : Shanghai Topken Silica Fume Co., Ltd.
- Tel : 86-21-66580046
- Fax : 86-21-66580047
- Address : Shanghai,Shanghai,Rm.2211 Lindun Tower,100 North Hengfeng Rd.,Shanghai
- Country/Region : China
- Zip : 200070
Silica Fume 920D
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Silica fume, also called Microsilica, is a byproduct of producing silicon metal or ferrosilicon alloys. Silicon metal and alloys are produced in electric furnaces. The raw materials are quartz, coal, and woodchips. The smoke that results from furnace operation is collected and sold as silica fume, rather than being land filled. Silica fume consists primarily of amorphous (non-crystalline) silicon dioxide (SiO2), its average granule diameter is 0.15~0.20µm, specific surface area is 15000~20000 m2/kg, and it has extremely strong surface active.
Silica Fume 920D
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