Oil sealing material: NBR, Viton, Silicon rubber, acrylic rubber, polyurethane, PTFE, and so on. Select oil sealed material, the material must be considered for media compatibility, operating temperature range of adaptability and lip to the axis of rotation rotating at high speed following capability. Oil seal lip when it exceeds working temperature 20~50℃, in select oil sealed material should be
Be noted. Please refer to: rubber types and characteristics. Reference of the oil seal oil seal material: material nitrile rubber (NBR), is-40~120℃, Alec rubber (ACM)-30~180℃, fluoro rubber (FPM)-25~300℃.