... years professioanl manufacture 2.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 ... (%)>85 Size available & Crush strength SizeCrush strengthKg/particleKN/particle1/8''(3mm)>35>0.351/4''(6mm)>60>0.603/8''(10mm ...