oem silica refractory bricks (57) Online Manufacturer
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥5 MPa
SiO2: ≥94.5 %
Al2O3: ≤1.5 %
SiO2: ≥94.5 %
Al2O3: ≤1.5 %
SiO2: ≥95%
Al2O3: ≤1.0%
Shape: Powder
Origin: China
Bulk Density: ≤1.1 G/cm3
Cold Crushing Strength: ≥3 MPa
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
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