... (g/cm3):1.35-1.4 2.Size:3,6,10,13,19,25,38,50mm 3.ISO 9001:2008 4.Acid resisitance ... as catalyst support media Al2O3:17%-99.5%Size: 3,6,9,13,19,25,38,50MMVODA Inert Ceramic Ball for ... .001<0.001 Water Absorption (%)<0.5<0.2<2<32.0-6.0Bulk Density (g/cm3)1.35-1.401. ... inch (19mm)>4.15>4.21>2.89>3.21>51 inch (25mm)>6.07>6.22>4.89>5.33>81-1 ... /2 inch (38mm)>8.52>8.92> ...