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-333 Aflas (TFE/P, FEPM) 80 Duro O-Ring Black


$8.67



2-1/2 ID X 2-7/8 OD X 3/16 W

Aflas (Tetrafluoroethylene Propylene, FEPM)

AFLAS ® is the tradename for a unique fluoroelastomer based upon an alternating copolymer of tetrafluoroethylene and propylene ("TFE/P"). TFE/P provides improved chemical resistance to a wide spectrum of automotive fluids and additives. It is resistant to motor oils of all types, engine coolants with high level of rust inhibitors, extreme pressure (EP) gear lubricants, transmission and power steering fluids, and all types of brake fluids including DOT 3, mineral oil, and silicone oil. TFE/P is ideal for heat transfer media, amines, acids and bases, as well as hot water and steam up to +170°C (+340°F). AFLAS, when properly formulated, can be used to fabricate o-rings, gaskets, and seals possessing several unique properties:

  • Heat resistance-Up to approximately 450°F (232°C)
  • Cold flexibility-Down to approximately 25°F (–4°C)
  • Excellent heat resistance with 230°C continuous service temp capability
  • Chemical resistance including resistance to strong acids and caustics / bases
  • High Electrical Resistivity
  • Excellent Oil Resistance

Compatible with:

  • Bases
  • Phosphate esters
  • Amines
  • Engine oils
  • Steam to 350F
  • Pulp and paper liquors.
  • Brake Fluid
  • Steam to 350F
  • Automatic Transmission Fluid

Not compatible with:

  • Aromatic fuels
  • Ketones
  • Carbon tetrachloride
  • Methyl Isobutyl Ketone (MIBK)
  • Methyl Ethyl Ketone (MEK)

Temperature Range: -14°F - 428°F (10°C - 220°C)

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