... (%):>99.6% Hardness-9.5 Inert Alumina Ball , Inert White Alumina BallsProfessional manufacturer & exporter of high alumina ball as catalyst support media Al2O3:17%-99 ... .5%Size: 3,6,9,13,19,25,38,50MMVODA Inert Ceramic Ball ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Inert Alumina Ball Hardness-9.5