PTFE oil seal: 1.Material:NBR,NR,FPM,EPDM and metal ... 1. Available material: NBR, HNBR, EPDM, ACM, MVQ, Viton (FKM), PTFE, etc.Wide range of material is available. 2. All manufacturing ... colors. 6. State standard and non-state standard sizes available. PTFE Oil seals