... green, brown, etc 4.ozone resistant Seal ring1.Y seal ring 2.Materials:NBR,CR,Vition,Silicone etc ... 3.Color:black, white,red, green, brown, etc 4.ozone resistant NameRubber Y ... 120°C Working Pressure: ≤32MPa Bud-Shape Ring≤50MPa Working Medium:Hydraulic OilCharacteristicsOzone-resistant, high/ ... motorcycle, industry,ectCertificationISO9001:2000 Seal ring