... :52MPa(7500psi), 69MPa(10000psi), 86MPa(12500psi), 103MPa(15000psi).3.By specifications:6-12 mesh, 8-16 mesh, 12-18 mesh, 12 ... mesh, 70-140 mesh, etc.Moreover, we can produce proppants with different specifications according to your particular requirement.In China, our plant is ...