Top ceramic proppant 40/70 low density. high pressure resistance, high conductivity, low acid solubility What is ceramic proppant used for?Ceramic proppant ... mesh, 16-30 mesh, 20-40 mesh, 30-50 mesh, 30-60 mesh, 40-60 mesh, 40-70 mesh, 70-140 mesh, etc.Moreover, we ... , NO.25 Shangwu Waihuan Road, CBD Zhengzhou, Henan, ChinaNo.08 shale gas frac sand 40/70 low density