refractory mullite insulating brick (135) Online Manufacturer
Raw Material: Mullite
Al2O3: ≥42%
SiO2: 30%
Al2O3: 48%
Cold Crushing Strength: ≥3.0 MPa
Linear Change On Reheating,(5h,≤2%): ≥1400 ℃
Al2O3 %: ≥48-90
Fe2O3 %: ≤1.0
Al2O3: ≥55%
Fe2O3: ≤1.5%
Bulk Density: ≤0.8 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
SiO2: ≥95%
Al2O3: ≤1.0%
Fe2O3: ≤2%
Bulk Density: ≤1.0g/cm3
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3 MPa
Bulk Density (g/cm3): ≤1.0
Cold Crushing Strength (MPa): ≥5.0
Raw Material: Mullite
Color: White
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