Alumina Verpackungskugel

KANGYU 17 23% Alumina BallIntroduction KANGYU inert ceramic balls are widely used support media in the world because of their excellent consistence and reliability. Products to these specifications are manufactured from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strengthand resistance to thermal shock, This makes them all ideal choice for support of all types of catalyst..Chemical composition Typical Technical Composition Min. % Max. % Usual %SiO264.0075.0068.40Al2O319.0026.0024.50Fe2O3******0.120.10TiO2******1.400.96CaO******0.650.42MgO******0.600.38Na2O******2.001.12K2O******3.503.28Al2O3 + SiO290.0096.0092.90 Physical propertiesIndexValue ValueLeachable Iron≤ 0.1%******Apparent Porosity by Weight, dia. ≥ 10mm≤ 0.4%******Apparent Porosity by Weight, dia. = 6mm≤ 1.0%******Apparent Porosity by Weight, dia. = 3mm≤ 1.0%******Moh's Hardness Scale>6.5******Water Absorption<1.0wt.%******Acid Resistance>99.8%******Thermal Conductivity0.9-1.0 w/m 2 .k******Thermal Expansion @ 5000.20%******Specific Heat628-837 j/kgq******Thermal Shock Stability, 500 then water cooling10 times******Max. Operating Temperature10501922Specific Density2,350 kg /m 3146 lb /ft 3Bulk Density (Packing Density)1,350 g /cm 384 lb /ft 3 Crush Strength Size / Crush StrengthNominal Size(lbs)(kg)(N/pc)mm Inchmin.min.min.31/8502322561/412356550103/820292902131/23851751716165/85202362315193/4978444435525114286486355381-1/2202091689835022987135513288