Technical Characteristics Low thermal conductivity and low heat storae, Excellent thermal stability and thermal shock resistance Excellent compressive strength Excellent tensile strength and elasticity Excellent capability of resisting wind Application Range Furnace line and insulating layer material of industrial furnace The material to separate high-temperature zone in furnace and to keep out the fire in furnace The material of Fireproof, heat resisting ,Insulating and sound-absorbing in building Type ItemStandard typeSTDHigh pure typeHPHigh aluminumTypeHAContain Zr typeZAClassification Temperature1260126013501430Work Temperature1050110012001350ColorWhiteWhiteWhiteWhiteDensitykg/m3260-400260-400260-400260-400Shrinkage on heating(%) 24Hours of 128kg/m3-31050-31100-31200-31350Heat conduction ratio w/m.k(Volume density128kg/m3)0.1328000.18010000.132(800)0.180(1000)0.132(800)0.180(1000)0.132(800)0.180(1000)AL2O3(%)45-4747-4952-5539-41AL2O3+SiO2(%)999999-AL2O3+SiO2+ZrO2(%)---99ZrO2(%)---15-17Fe2O3(%)≤0.50.20.20.2Na2O+K2O(%)≤0.20.20.20.2Specification(mm)In common use specification: 600×400×1050900×600×20-50Other specification according to the customer request