Manufacturer of o rings, silicone o rings, rubber o rings, automotive o rings, fluoroelastomer o rings, PTFE o rings, nitrile o rings, encapsulated o rings, silicone o rings, hydrogenated nitrile o rings, neoprene o rings. O Ring : Oil resistance High/ low temperature resistance Ozone proof and acid resistance High tension resistant O Ring : Static seal and dynamic seal Working temperature range:-50~+300 Working pressure:220kg/cm Medium:high concentration acid, alkai, air, water, oil