Readymix silica Fume - 940D

All grades of silica fume ready for shippment in Shanghai warehouse. Short lead time and good seaway speed arriving destination. - details see: https://www.buildingsupplieshub.com/readymix-silica-fume-10059824
Type: Other Earthwork ProductsPlace of Origin: Shanghai China (Mainland)Brand Name: TOPKENModel Number: 940D
Color: GreyBrand: TOPKEN (oversea registrated brand)Fluidity: MIN.100MMStandard: ASTM C-1240
Cas No.: 69012-64-2   
Readymix silica Fume
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Silica fume-970D, also called Microsilica, silica powder, 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 0.15~0.20 µm, specific surface area is 15000~20000 m2/kg, and it has extremely strong surface active.

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