... .ISO9001:2008 3.Size:3,6,10,13,19,25,38,50mm Inert Ceramic Ball of Size 3,6,10,13 ... ,19,25,38,50mm XINGFENG Catalyst bed support media 17% are the most ... able Fe2O3 is less than 0.1% Chemical composition ItemValueWater absorption (%)<0.5Bulk density (g/cm3)1.35-1.4Specific gravity ...