heat insulation refractory fire brick (221) Online Manufacturer
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥5 MPa
Al2O3: ≥72
Fe2O3: ≤1.0
Raw Material: Silica Sand
SiO2: ≥95%
Material: Silica
SiO2: ≥90%
Bulk Density: ≤0.8 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
SiO2: ≥94.5 %
Al2O3: ≤1.5 %
Product Description: Fireclay Refractory Brick Based On Chamotte, Fireclay, Ceramic Bond
Al2O3: ≥42
Cold Crushing Strength: 20-40 MPa
Thermal Shock Resistance: Good
Fe2O3: ≤2%
Bulk Density: ≤1.0g/cm3
Product Description: Fireclay Refractory Brick Based On Chamotte, Fireclay, Ceramic Bond
Al2O3: ≥42
Bulk Density: ≤1.15 G/cm3
Cold Crushing Strength: ≥5 MPa
Cold Crushing Strength: ≥4.5 MPa
Linear Change On Reheating,(5h,≤2%): ≥1400 ℃
Al2O3: ≥48%
Fe2O3: ≤2%
Al2O3: ≥42%
Fe2O3: ≤1.5%
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