... :3mm 6mm 9mm 12mm 2.Service conditions:T=~268~+260degree Expanded PTFE Jont TapeThe back attached pressure-sensitive tape. its excellent ... corrosion resistance,fine flexibility,convenient in using,it is ideal sealing material for middle and low temperature medium,disallowable ... medium,enamel, glass,rough and special shaped sealing surface etc . Expanded PTFE Jont Tape