Physical character: Braided of PTFE yarn fiber, PTFE filament add graphite particles, anti-corrosive lubricant, aramid fiber with almost complete chemical inertia, dimensional stability, low friction coefficient to compression, and excellent resistance to compression are qualities classifying this packing among the best ones available in the industrial field. It is suitable for all the chemical compounds of chemical solvents, corrosives, air, water, steam, gases, ammonia, oils, paper stock, liquor, condensate(except alkaline metals and gaseous fluorine), alternative of rotary motions and shafts operating at low speed rods, pistons valve stems, expansion joints, etc. Apply for chemical, pharmaceutical, oil, gas, general industry, agriculture and marine dynamic application of rotating & reciprocating equipment, valves.