... %Density: 6.0g/cm3Packing density: 3.7~3.9g/cm3 Hardness: HRA> 87Hardness on Moh's scale: 9Fracture toughness: 8.0Mpa.m1 ... .1,Φ0.2,Φ0.3,Φ0.4-0.6,Φ0.6-0.8, Φ0.8-1.0,Φ1.0-1.2,Φ1.2-1 ... .5-2.0,Φ2.0-2.5,Φ3,Φ4,Φ5,Φ8, Φ10… or any customize sizes.Product Features:Glossy satin smooth ... achieving higher rate of production. The beads grinding efficiency is 6-8 times than glass beads and 2~3 times more than ...