High Alumina brick 1.Size: 230x114x76mm; 2.Al2O3: 55%,65%,75%; 3.Fe2O3: 2.0% 4.For hi-temp industrial ... price. High Alumina brick 1.Size: 230x114x76mm;2.Al2O3: 55%,65%,75%;3.Fe2O3: 2.0%4.For hi-temp industrial ... furnance. Specifications: indexAI2O3 ≥LZ-75LZ-65LZ-55LZ-48RefractorinessC≥1790177017500.2MPa Refractoriness under load/C1520150014701420Linear ...