high alumina refractory bricks with warranty (53) Online Manufacturer
Al2O3 %: ≥90
Fe2O3 %: ≤1.0
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
Bulk Density: ≤1 G/cm3
Cold Crushing Strength: ≥2 MPa
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
SiO2: 54.2%
Al2O3: 45%~70%
Send your inquiry directly to us