... .Good sealing and damping. 2.Water resistance. 3.Anti-aging. 4.Anti-ozone. 5.Oil resistance. 6.Pressure resistant. 7.High and ... 's request.Certificate: ISO9001Testing instruments: Vulcanization tester, Tensile tester, Rubber durometer, Imaging size projector, Insulation resistance tester etc. Material InformationHow to choose the material ...