... , and weathering 2.Has moderate oil resistance 3.Abrasion proof Rubber O ring1.Material :Made of NBR ,Silicone ,FKM ,EPDM ,PTFE ... are leading manufacture focus on on professional O,U,Y rubber seals .4.Working pressure : ≤0.98MPa5. Working medium :Water ,lube ... ,oil etc .6.Working Speed : ≤25M/S7. Different colors and sizes are available ,Customers pls ...