... 3.High,Middle,Low Density 30/50 Mesh Ceramic Sand for Oil and Gas Industry Product Name : Fracturing ProppantSynonym : Oil fracturing ... temperature, high temperature, high pressure, high strength, conductivity and strong, and corrosion resistance, etc., is the exploitation of oil natural ... can prolong service life field. Products used in deep well fracturing, it will be filled to its low permeability ...