Pillar No. 4505L Structure & Features: A Square-braided packing consisting of PTFE (Polytetrafluoroethylene resin) fiber impregnated with PTFE dispersion and lubricant. It has good so solvent and chemical resistance. Applications: Solvents, strong acid, strong alkali, pumps, valves, mixers. Performance: pH 0 to 14, Temperature -100 to 260oC (Over 80oC, external cooling required), Pressure to 1.0 MPaG (10 kgf/cm2)(in pumps), to 10.3 MPagG(106 kgf/cm2 ).(in valves), Velocity to 10 m/s, PV to 4.9 MPaG · m/s (50 kgf/cm2 · m/s)