12-20 Mesh, 16-30 Mesh, 20-40 Mesh 52 Mpa, 69 Mpa, 86 Mpa Reasonable price Ceramic ... ~0.9 Sphericity0.8~0.9 B.D.01.50~1.96 Acid Solubility3.5%max4.5%maxFTU30max40maxOperating Temp. ... 86 Mpa . Size : 12-20 Mesh, 16-30 Mesh, 20-40 Mesh, 30-50 Mesh, 40-60 Mesh, 40-70 Mesh, 70-100Mesh etc. Any other size ... )Specific GravitySphericityRoundnessAcid solubilityBulk Density≤7% / ≤5% 2.65-3.50≥0.8≥0.8≤7.01.5-1.96 g ...