It is a multi-layer and multi-fiber braided packing, The outer jacket is
braided from tough pure PTFE fibers with lubricant. Under this is a jacket of
multiple wraps of heavy duty gauge PTFE tape. The body of the packing consists
of dry loosely braided polypropylene fibers. The inner core is NBR rubber, around
which is wrapped additional PTFE tape.
It is an excellent choice for sealing against virtually all chemicals.
It is exceptionally resilient and can be made into endless rings in the field. It can be used in all kind of Tank Lids, hatches
covers for ships, barges, road and rail transport vehicles, storage tanks etc