1. high-density high-strength proppant 2. medium-density high-strength proppant 3. low-density high-strength proppant Ceramic Proppant is divided into 52Mpa, ... density,Ceramic Proppant is divided into: low-density, medium density, high-density. Specifications ofCeramic Proppantare: 12-18 mesh, 12-20 mesh ... mesh, 40-60 mesh, 40-70 mesh and so on . High grade ceramic proppant for oil and gas wells