Properties Measure unit Spherical
Diameter mm 3.0-5.0 4.0-6.0 5.0-8.0
Gravity-surface area ? m2/g 300 300 300
Cavity Volume ? cm3/g 0.38 0.38 0.38
Static Adsorption ? mg/g 170 170 170
Bulk Density g/ml 0.70±0.02 0.70±0.02 0.70±0.02
Loss of lgnition ? mg/g 6 6 6
Crush Strength ? N 120 140 180
Wear Rate ? wt% 0.1 0.1 0.1
