... -1.4 2.Size:3,6,10,13,19,25,38,50mm 3.ISO 9001:2008 4.Acid resisitance(%):>99.6 ... :17%-99.5%Size: 3,6,9,13,19,25,38,50MMVODA Inert Ceramic Ball for Support Media Introduction: Catalyst bed ... <2<40.2MgO (%)<0.5<2.5<0.5<0.50.1K2O + Na2O (%)<4<4<3.5<4>0.5TiO2 <0 ...