... /70 Mesh 2.High Fracture Conductivity 3.Oil,Gas 20/40 Mesh Fracturing Proppant (Low,Middle,High Density) ... mesh,8/16 mesh,12/18 mesh,12/20 mesh,16/20 mesh,16/30 mesh,30/60 mesh,40 ... cm3)Close Pressure(Mpa)Crush Resistance(%)Sphericity/ RoundnessHigh Density20/40mesh>1.80>3.369≤7.0>0.85High Density16 ... 1500 kg jumbo bag or negotiation,21 mt / 20 FCL 20/40 Mesh Fracturing Proppant (Low,Middle,High Density)