China Xintao Inert Alumina Ceramic Ball 17%~19% Al2O3

Xintao Inert Alumina Ceramic Ball 17%~23% Al2O3
The Xintao 17 Support Media is equal to Denstone 2000 Support media. It is one of the new media in the industry with unmatched resistance, thermal shock, crush strength and survival ability. Products to these specifications are manufactured from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strength and resistance to thermal shock, this makes them all ideal choice for support of all types of catalyst.
Technical Parameter

ModelXT17 Ceramic BallColorLight grayShapeBallChemical composition Min. %Max. %Usual %Al2O3171918SiO2707774.9Al2O3 + SiO2909493Fe2O3/1.00.9TiO2/0.50.46CaO/0.50.42MgO/0.50.38Na2O/21.12K2O/3.53.28Physical propertiesLeachable Iron (%)≤0.1Apparent Porosity by Weight (%)D≥10mm≤0.4D=6mm≤1.0D=3mm≤3.0Water absorption (wt.%)<0.5Acid resistance (%)>99.8Alkaline resistance (%)>85Bulk Density (g/cm3) 1.35(lb/ft3)84Specific density (kg/m3)2300(lb/ft3)144Moh's hardness (scale)>6.5Thermal conductivity (w/m2.k)0.9-1.0 Specific heat (J/kg.ºC)628-837 Max. Operating Temperature(ºC)1050(ºF)1922Thermal expansion (%) (500ºC)0.20Thermal Shock Stability (times)
(500 ºC then water cooling)10Geometric propertiesNominal Size(mm)3610131619253850(inch)1/81/43/81/25/83/411.52Crush Strength Min.(lbs)771762345727261672187020903476(kg)35801062603307608509501580(N/PC)34378410392548323474488330931015484