heat insulation refractory fire brick (221) Online Manufacturer
Al2O3: ≥55%
Fe2O3: ≤1.5%
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3 MPa
Color: Yellow
Raw Material: Silica Sand
Application: Reheating Furance
Usage: Furnace Liner
Product Name: Silica Insulating Brick
SiO2(%): ≥90
Cold Crushing Strength: ≥3.0 MPa
Linear Change On Reheating,(5h,≤2%): ≥1400 ℃
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
Product Description: Fireclay Refractory Brick Based On Chamotte, Fireclay, Ceramic Bond
Molding Method: Machine Pressed Brick
Bulk Density: ≤1.3 G/cm3
Cold Crushing Strength: ≥5.0 MPa
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Ccs: ≥40MPa
Standard Size: 230*114*73mm
Raw Material: High Alumina
Color: White
Creep Rate: ≥1350℃
Standard Size: 230*114*73mm
Cold Crushing Strength: 20-40 MPa
Usage: Furnace Liner
Bulk Density: ≤1.3 G/cm3
Cold Crushing Strength: ≥5.0 MPa
Acid Resistance: Excellent
Plc: ≥1280℃
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