Ceramic launder

This product, made of ZHONGNAI No.5 material, is used as a lining, excellent in high temperature resistance when transmits aluminium and aluminium alloy fusant. Advantage: Heat preservation, thermal shock resistance, anti-pressure andresisting the scour of aluminium alloy fusant, stability , durability , high quality but reasonable price.Besides general specification, we offer products according to the customers requirements. PS: Form A ZHONGNAI material physical capabilityWorking temperatureDensityTortuous intensityPressure resistance intensityCoefficient of heat conductivityHeat linear shrinkageCoefficient of heat expansionoCg/cm3kg/cm2kg/cm2700oC (w/m·k)800oC (%)700oC (×10-8oC) ≥10000.6-2.5≥50≥105≤0.2≤0.3≤2.77Form B ZHONGNAI material chemical compositionSi O 2AL2O3Fe2O3CaOMgOTiO2K2ONa2O52-5542.50.880.411 21.70.51