Oil and gas field with sealing rubber slicing, testing, rubberpackerforoilorgaswell oil field water injection, cylinder-shaped rubber sealing products used in acidizing and fracturing. Depending on how you use can be divided into the dilated Packer rubber and the compression of packer rubber. The former is made up of fracturing and injection using two, consists of an inner adhesive layer and outer rubber, ply and metal tubes of four parts, posted for molding curing ingredients; which is a pure rubber, molded or injection method. Rubber NBR. Dilated Packer rubber temperature is 50~90?, pressure for 11.8~24.5MPa compressed-Packer rubber structures, of different sizes, use temperature of 120~170?, pressure is 15~50MPa.