Silica fume

Silica fume is a by-product from the melting process for the production of FeSi, Si-metal or fused zirconium in the electric arc furnace. It is filtered out of the flue gas, collected and quality controlled. Silica fume has excellent properties as a binder (pozzolan) due to its tiny particle size in combination with its large specific surface area.
Origin: Germany, Iceland, China
COFERMIN Rohstoffe Bauxit

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