1.material:PTFE 2.Specification;as your request 3.Scope:automotive/home/electronic/ ... , such as: MC Nylon, UHMW-PE, PU, POM, PC, PSU, PTFE, PPS, PEEK, PSF, PPSU, PBT, PPO/PPE,TPE, UP, Wave ... welcome to inquire and don't hesitate to contact me. PTFE fluoroplastic o ring