Refractory castables – IspatGuru
2020-7-8 · Do you know what properties of the refractory castable can be improved by adding these powders? Jul 08, 2020 Among the refractory castables, the most widely used fine powders are activated SiO₂ powder and α-Al₂O₃ fine powder, followed by SiC powder, high aluminum powder, white corundum powder, brown corundum powder, zircon powder and spinel powder.
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