20/40 Mesh Fracturing Proppant (Low,Middle,High Density) 1.Size:20/40,30/50,40/70 Mesh 2.High Fracture Conductivity 3.Oil,Gas 20/40 Mesh ... Fracturing Proppant (Low,Middle,High Density ... : Net weight 1500 kg jumbo bag or negotiation,21 mt / 20 FCL 20/40 Mesh Fracturing Proppant (Low,Middle,High Density)