A chemically resistant continuous filament PTFE braid with PTFE dispersion and inert break-in lube. Style 5889 is soft and flexible, but very nonporous which makes it an excellent choice for high speed rotary shaft service in marine, waste/water treatment, and most volatile applications. It is preshrunk to avoid packing wear and shaft scoring. Found in sump pumps, chlorinators, alkaline softeners, slip-type expansion joints, strong acid situations, coke plant hot oil pumps, reciprocating rods, rams, and plungers. Not recommended for chlorine service.