94 Grade Silica Fume for Oil Well
Silica fume: the appearance is grey or gray – white powder, and the refractoriness is >1600℃. Undensified Silica Fume (320-360kg/m³) Densified Silica Fume (630-680 kg/m³) The fineness of silica fume:
Category: Oil Well
92 Grade Silica Fume for Oil Well
Silica fume is a by product of high purity quartz, coke and sawdust reduction in the production of ferrosilicon or metallic silicon during the production of complex reactions in smelting.
85 Grade Silica Fume
The silica fume is also called microsilica or microsilica fume. When ferroalloy is smelting ferrosilicon and industrial silicon (metal silicon). A lot of volatile SiO2 and Si gases are produced
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