Gießen Buchse

It is applied to low pressure casting aluminium alloy wheel hub or other resemblances, made of ZHONGNAI No.6 material.Advantage: anti-pressure, heat preservation and thermal shock resistance and impermeable to aluminium fusant, etc. Besides general specification ,we offer the 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