Custom processing: yes Content: 100 (%) Material: corundum mullite density: 2.6 (g / cm3) Size: 200 * 80/100 * 100 fire-resistant temperature: 1700 (℃) Uses: used in ceramics, electronics, fluorescent material , stove, furnace, metallurgy and other industrial furnaces. Thermal conductivity ≤1.9-2.0w / (mk Description supply refractories - corundum mullite products, corundum brick block, standard brick (high temperature kiln) corundum stone series to high purity refractory products, the main phase (corundum or mullite) content, high temperature resistance, erosion, chemical stability, is a high-grade refractory corrosion resistance, widely used in ceramics, steel, building materials, non-ferrous metallurgy, light industry and chemical industry with a high temperature kiln The furnace lining material goods both corundum high temperature performance, and integrated thermal shock resistance of mullite (temperature-resistant acute degeneration) strengths, with good resistance to high temperature creep resistance, high temperature mechanical strength of physical and chemical indicators: Item Mo Bricks mullite - corundum brick corundum - mullite brick high-purity alumina bricks Al2O3 (%) ≥ 70 80 90 95 SiO2 (%) ≤ 25 18 8 0.2 Fe2O3 (%) ≤ 0.5 0.5 0.3 0.15 bulk density (g / cm3) ≥ 2.6 2.7 2.8 3.1 Porosity (%) ≤ 17 19 19 19 Cold crushing strength (Mpa) ≥ 75 82 95 103 room temperature flexural strength (Mpa) ≥ 90 95 100 110 HMOR MPa≥ 28 323,539 maximum use temperature (℃) ≥ 1500 1650 1700 1750 load softening temperature (℃) (0.2Mpa, 0.6%) ≥1450 1600 1650 1700 uses for ceramics, electronics, fluorescent materials, stove, furnace, metallurgy and other industrial furnace. for the petrochemical industry ammonia gas stove, gas furnace engineering ethylene, ammonia decomposition furnace, carbon black reactor as well as ceramics, refractories, metallurgy and other industrial high-temperature furnace lining.