lz65

high aluminium brick Al2O3: 55-85%min refractoriness: 1750 degree standard size: 230x114x65mm High Allumina Bricks BrandLZ-48LZ-55LZ-65LZ-75Al 2 O 3 , % ≥48556575Refractoriness , °C ≥17501770179017900.2Mpa Refractoriness Under Load, °C ≥1420147015001520Cold Crushing Strength , Mpa ≥39.244.149.053.9Apparent Porosity , % ≤22232323Permanent Linear Change,%1450 °C ,2h1500 °C ,2h1500 °C ,2h1550 °C , ...