High Alumina Brick 230x114x65

Specificationsfire bricks for furnace 1.Al2O3 38-75%min 2. refractoriness 1790 3.RUL 1520 4.porosity 23%high density fire bricks for furnace  specifications ItemCT-35CT-42CT-48CT-55CT-65CT-75Al2O3(%)354248556575Refractoriness(C)167017301750177017901790Refractoriness under load, 0.2MPa (CO)135014001420147015001520Linear Change(%)1500C×2h---0.10.10.1-0.4-0.4-0.41450C×2h--0.1----0.41350C×2h0.10.2-----0.5-0.5Porosity(%)262422222323Cold Crushing Strength (Mpa)19.629.440444953.9
High Alumina Brick 230x114x65