... /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 : 6914900000 1.Production Raw ... bauxite raw material, through a unique grinding, granulation and sintered at high temperature, high temperature, high pressure, high ...