high bulk density refractory bricks (333) online manufacturer
SiO2: 40~55
Al2O3: 30~60
SiO2: 40~55
Al2O3: 30~60
Al2O3 %: ≥48-90
Fe2O3 %: ≤1.0
Al2O3: ≥55%
Fe2O3: ≤2%
Product Name: Silica Insulating Brick
SiO2(%): ≥90
Cold Crushing Strength: ≥25
Bulk Density: 1.80g/cm3
Cold Crushing Strength: ≥25
Bulk Density: 1.80g/cm3
Bulk Density ( G/cm3): ≤1.3
Cold Crushing Strength (MPa): ≥5.0
Bulk Density: ≤1.0 G/cm3
Cold Crushing Strength: ≥3.5 MPa
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3.0 MPa
Bulk Density: ≤0.8 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
SiO2 %: ≥91
Bulk Density ( G/cm3): ≤1-1.2
Bulk Density: ≤1.0 G/cm3
Cold Crushing Strength: ≥3.5 MPa
Raw Material: Mullite
Al2O3: ≥50%
Bulk Density: ≤1.3 G/cm3
Cold Crushing Strength: ≥5.0 MPa
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