Pure PTFE resins with homogeneously blended inorganic fillers. Designed for use in process piping and equipment in chemical, pulp and paper, food and beverage, and other general industrial applications. Suitable for use in steel flanges and will not exhibit the cold flow problems associated with virgin PTFE or the hardness problems of some filled PTFE products. Temperature range: -350°F to 500°F. Maximum pressure: 1500 PSI. Certified for oxygen service at oxygen pressures up to 585 PSI and temperatures up to 392°F, and for service in liquid oxygen by the Federal Institute for Materials Testing and Research, Berlin, Germany. Tensile strength - ASTM F152: 2000 PSI. Compressibility - ASTM F36: 8 to 16%. Recovery -ASTM F36: 40%. Sealability -ASTM F37: 0.02 ml/hr. Creep relaxation -ASTM F38: 30%. Flexibility - ASTM F147: Sx. Color: Blue (9000 N is unpigmented white, unbranded.