Pure PTFE Fibre Made Packing is safe, more flexible and non-toxic. Mechanical Packing Industries Private Limited manufactures Pure PTFE Fibre Made Packing. Mechanical Packing Industries Private Limited also manufactures non-asbestos packing and seals. The Pure PTFE Fibre Made Packing, Type Ultraflon, is an inert, virtually indestructible packing, having a lower co-efficient of friction with good compressive strength. This Packing can withstand temperature ranging from -200 Degree C to 290 Degree C. This Packing can withstand pressure up to 350 bars and is available in size ranging from 3 mm to 5 mm.