... shale gas and oil Low density proppant for shale gas and oilMr. Gu Zhan Dong, ... trends in onshore domestic production, we developed our super low density proppant 20/40,30/50,40/70. StandardItemParticleSizeBulkdensityapparent densitysphericity. ... .45-1.502.60-2.650.9≤6≤5Medium density(52 Mpa)3050(mesh)1.45-1.502.60- ... ≤6≤2Medium density(52 Mpa)4070(mesh)1.45-1.502.60-2.650.9≤6≤2 Low density proppant for ...