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1 2g refractory fire bricks (21) Online Manufacturer
SiO2: ≥96 %
Fe2O3: ≤0.6-1 %
AL2O3(%): ≥36
Fe2O3(%): ≤1.0
Al2O3: ≥55%
Fe2O3: ≤2%
Colore: Red
Al2O3: ≥48
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
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