... ,Middle,High Density) Product Name : Fracturing ProppantSynonym : Oil fracturing proppant ,ceramic sand,ceramic proppant,frac sandH.S.Code : 6914900000 1.Production Raw Material : This ... : Use unique quality bauxite raw material, through a unique grinding, granulation and sintered at high temperature, high temperature, high pressure, high strength, conductivity and strong, and ...