Fracturing Proppant(Ceramic Sand,Low,Middle,High Density) 1.Size:20/40,30/50,40/70Mesh 2.High Fracture Conductivity 3.Oil Gas Fracturing Proppant (Ceramic ... Sand,Low,Middle,High Density) Product Name : Fracturing ProppantSynonym : Oil fracturing proppant ,ceramic sand,ceramic proppant,frac sandH.S.Code ...