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precision casting refractory raw materials (6) Online Manufacturer
SiO2: 1.0
Al2O3: 45
SiO2: 0.55
MgO: 97.5
Al2O3: 97.5
Refractoriness: SK34
Fe2O3: ≤2%
Al2O3 %: ≥48
Fe2O3 %: ≤2.0
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