1. Oil proof mechanical rubber seal. 2. Anti-oxidation. 3. Certification: ISO9001:2008, ISO/TS16949. 4. ... , IIR, NR, IR, PU, etc, just as your request.2. Performance: anti-oxidation, oil proof, weather resistant, heat proof, good ... , or special purpose.10. OEM and ODM orders are highly welcomed according to your 2D,3D drawing or samples,.11 ... by ourselves.13. Small order quantity is welcomed. rubber seal