... and weathering 2.Has moderate oil resistance 3.Abrasion proof Rubber O ring1.Material :Made of NBR ,Silicone ,FKM ... ,EPDM ,PTFE etc.2. Application :Widely used in Automobile,Engine ,the Gear Box ,the Vehicle and Sedan Chairs ,the ... are leading manufacture focus on on professional O,U,Y rubber seals .4.Working pressure : ≤0.98MPa5. Working medium ... production , we will reply you very soon . Rubber O ring