petroleum fracturing proppant 1,Increase oil output of 30%-50% 2,AAcredit product 3,High crushing strength 4.High back pr petroleum fracturing proppant1. Applications Oil ceramic proppant are mainly used in the hydraulic fracturing process to increase the productivity of natural gas and oil wn oil and gas wells.. 2.specification now we maily produce 30/50,20/40,40/70,low ,medium,high density ...