Product DetailBasic InfoModel NO.:High Alumina BrickProduct Description High alumina brick HA-60 Features 1. Low bulk density, low thermal conductivity, good thermal insulation performance. 2. Refractory category allow direct contact of fire, suitable ofr various atmosphere 3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely Typical Applications 1. Furnaces of metallurgy industry, heat treatment furnace. 2. Furnaces of chemical industry and construction industry. 3. Furnace of incineration of garbage, recirculating fluidized bed furnace. Standard sizing: 230 x 114 x 65 mm others up to the client High Alumina Brick HA-60 Item Standard Al2O3(%) 60 SIO2(%) 32 Fe2O3(%) 1.8 Na2O+K2O(%) 2.3 Refractoriness 1790 Refractoriness under load 0.2mpa(C) 1450 Porosity(%) 22 Bulk density(g/cm3) 2.30-2.40 Cold cushing strength (mpa) 50 Thermal expansion at 1000C (%) 0.3 Reheating shrinkingchange(%) 1500CX24h -0.3ItemIndexInternational code   nameSK35SK36SK37SK38SK40Chinese code nameLZ-48LZ-55LZ-65LZ-75LZ-80Al2O3 min %4855657580Fe2O3 max %22222Refractoriness oC min.17501770179017901790Refractoriness under Load C min.14201470150015201530Permanent Linear Change % 1450 C×2h1500 C×2h1500 C×2h1500 C×2h1500 C×2h+0.1~-0.4+0.1~-0.4+0.1~-0.4+0.1~-0.4+0.1~-0.4Apparent Porosity max. %2222232321Cold Crushing Strength mim.3944495465