1. high-density high-strength proppant 2. medium-density high-strength proppant 3. low-density high-strength proppant Ceramic Proppant is divided into 52Mpa, 69Mpa, 86Mpa,and 103Mpa three series, according to bulk density,Ceramic Proppant is divided into: low-density, medium density, high-density. Specifications ofCeramic Proppant are: 12-18 mesh, 12-20 mesh, 16-20 mesh, 16-30 mesh, 20-40 mesh ...