Different kinds of industrial furnace.Such as:Hood furnace, heating furnace, cracking furnace, heat treatment furnace, shuttle kiln, tunnel kiln, roller kiln, enamel kiln, ceramic kiln ceiling and wall and insulation lining materials. Item Index Al2O3 75 85 SiO2 22 12 CCS Mpa 90 100 MOR Mpa 16 16 RUL 1500 1550 Thermal shock resistant 900 (times) 20 30 CC 6 5 HR W/m.k (