Buy PTFE Tape order online in UK that is used to seal pipe threads. PTFE (Polytetrafluoroethylene) tape, commonly known as Thread seal tape. The tape is offered in pre-cut widths and coiled on a spool, making it simple to wind around pipe threads. Thread seal tape lubricates the threads, allowing for deeper seating and preventing the threads from seizing during unscrewing. Order best Adhesive Tapes from Kafton UK.