... ), 10000psi (69Mpa), 12500psi(86 Mpa).According to the bulk density, it also can be classified into the low, ... medium and high bulk density ceramic proppantsThe size of ceramic proppants can ... be classified into: 12-20 mesh, 16-20 mesh, 16-30 mesh, 20-40 mesh, 30-50 mesh, ... oil and gas well both domestic and abroad. 20/40mesh30/50meshBulk Density<1.61<1.60Sphericity>0. ...