Ceramic Proppant Gas and Oil fracture proppants Specifications 1.low density,middle density,high density 2. Increase oil output of 30%-50% 3 ... in building materials, gardening, refractory insulation materials, Chemical, oil, gas and other departments. Grit size available: 12-20,16-20 ... 1.It is mainly used for supporting fissure of stratum fracturing transformation of deep oil and gas field. 2. Enhance ...