PTFE threaded seal tape PTFE tape unit is special equipment for producing PTFE threaded seal tape, our production equipment is improved on the basis of PTFE tape unit, and ... 0.05-0.3mm. After width enlargement by the stretching machine, the product’s width and thickness can reach 1,800mm ... heat preservation, calendering, winding, degreasing, vertical pulling, winding, etc. PTFE thread sealing tape