top 8 most popular refractory castable material list and ...
2021-10-28u2002·u20023. Neutral refractories are made from weakly acid/basic materials such as carbon, silicon carbide (SiC), chromite (FeCr2O4) and zirconia (ZrO2).Based on chemical composition Acidic refractories Acidic refractories consist of mostly acidic materials like alumina (Al2O3) and silica (SiO2).
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