It is suitable for all the chemical compound, alternative & rotary motions shafts, rods, piston valves, steam, expansion joints. It is a Braided Packing made of pure P.T.F.E. Yarns. It is a cost-effective replacement of PTFE impregnated asbestos packings. PTFE 100% square packing is a self-lubricating, chemically inert, non-toxic, and a non-hazardous material. It is very flexible packing and provides more efficient sealing with very low friction characteristics. This packing can be used against corrosive chemicals, solvents