... compression strength:52MPa (7500psi), 69MPa (10000psi), 86MPa (12500psi), 103MPa (15000psi).3. by specifications:6-12 mesh, 8-16 mesh, 12-18 ... mesh, 16-30 mesh, 20-40 mesh, 30-50 mesh, 30-60 mesh, 40-60 mesh, 40-70 mesh, 70-140 mesh, etc ... Waihuan Road, CBD Zhengzhou, Henan, ChinaNo.08 new frac sand for shale gas 40/70 low density