... 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 ... enable us to provide customers with the reliable quality products, the most competitive prices and timely ... to create a prosperous career together high quality ceramic proppant