... .Size:20/40,30/50,40/70 Mesh 2.High Fracture Conductivity 3.Oil,Gas 20/ ... bauxite raw material, through a unique grinding, granulation and sintered at high temperature, high temperature, high pressure, high ... mm etc. 3.Specification (Size) : 20/40 mesh ; 30/50 mesh ; 40/70 meshOther special meshes can be made ... mesh,8/16 mesh,12/18 mesh,12/20 mesh,16/20 mesh,16/30 mesh,30/60 mesh,40/60 mesh,70/100 mesh ...