... 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 ... used high-quality bauxite,coal and other raw material,ceramic sintering,is a natural quartz sand,glass balls,metal balls ...