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, ... electric insulation performance Application:sleeve/gasket/disc/injection parts/screws/valve seat/gears/bearing cage/turbine and wormelectronic parts/bushings/ ... to inquire and don't hesitate to contact me. PTFE fluoroplastic o ring