... 1.Passed ISO & API 2.Tested by Stim-Lab 3.Low acid solubility TOP PROPPANTTOP PROPPANT is not a seller but also ... compression strength:52MPa(7500psi), 69MPa(10000psi), 86MPa(12500psi), 103MPa(15000psi).3.By specifications:6-12 mesh, 8-16 mesh, 12-18 ...