boiler furnace refractory fire bricks (54) Online Manufacturer
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Al2O3 %: ≥90
Fe2O3 %: ≤1.0
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Raw Material: Silica Sand
Al2O3: ≤1.0%
Color: Ivory White
Refractoriness: ≥1790℃
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
Send your inquiry directly to us