1.material:PTFE 2.Specification;as your request 3.Scope:automotive/home/ ... such as: MC Nylon, UHMW-PE, PU, POM, PC, PSU, PTFE, PPS, PEEK, PSF, PPSU, PBT, PPO/PPE,TPE, UP, Wave ... conductive materials,and special fiber,etc. Specification:1.good quality with competitive price 2.SGS&ISO9001:2008 approval 3.timely delivery ... welcome to inquire and don't hesitate to contact me. PTFE fluoroplastic o ring