Product Overview: petrochemical industry with unshaped refractories CWS gasification of coal chemical industry; petrochemical petroleum coke gasification, natural gas one, secondary reformer; ideal carbon black reactor and other high-temperature furnace lining materials. But also as a high-temperature furnace lining or insulation lining materials for metallurgy frequency induction furnace and ceramics, refractories and other industries. Physical indicators: Project lightweight hollow ball alumina castable series chrome corundum castable phosphate bonded castable corundum castable corundum castable JK-1.0 JK-1.5 JK-94 JKG-90 JKL-90 JK-94 the highest temperature ℃ ≥ 1000 1350 1700 1800 1800 1750 Al2O3,% ≥ 30 45 94 90 90 94 Fe2O3,% ≤ - - 0.2 0.3 0.5 0.2 bulk density, g / cm3, ≤ (110 ℃ × 24h) 1.1 1.3 1.7 2.95 2.8 2.8 room temperature resistance compressive strength MPa, ≥ (110 ℃ × 24h) 1.0 5.0 10 80 80 50 Thermal conductivity, W / m · k ≤ (average temperature 350 ℃) 0.25 0.4 0.75 - - rate of change of 0.5 to 1.8 after firing line,% (1300 ℃ × 3h) ± 0.3 ± 0.3 ± 0.3 (1500 ℃ × 3h) ± 0.3 (1500 ℃ × 3h) ± 0.3 (1500 ℃ × 3h) ± 0.5 (1500 ℃ × 3h) Applications furnace, gasification, carbon black insulation lining reactors, petrochemical Sec stove and various high-temperature furnace temperature furnace lining and insulation lining petrochemicals, black, metallurgy and other industries of high-temperature furnace lining