... ceramic proppant used for?Ceramic proppant are the indispensable materials used in acid fracturing and hydraulic fracturing of new and existing natural gas ... mesh, 12-18 mesh, 12-20 mesh, 16-20 mesh, 16-30 mesh, 20-40 mesh, 30-50 mesh, 30-60 mesh, 40-60 mesh, 40-70 mesh, 70-140 mesh ...