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Fuel Resistance

Excess swell in fuels can translate into reduced performance and/or seal life. Precix understands this and has developed a range of products that swell less and seal better. An example of this is our F86 GF-based High-Fluorine Fluorocarbon (second from the left on the below graph). The swell numbers exhibited by F86 are up to 33 times better than conventional fluorocarbons. Contact Precix Materials Engineering to learn more.

JUST COMPLETED!

Extensive research into Biodiesel and the effects of this growing fuel on fluorocarbon sealing compounds. More information and a complete report can be obtained by contacting our Materials Engineering director.

Get BioDiesel Report and Info

F86: GF-Based Fluorocarbon Overview

General Information
  • Excellent fuel resistance.
  • Typically used with Fuel blends containing MTBE, Methanol or Ethanol (Flex Fuel)
  • Excellent resistance to brittleness at low temperatures
  • Excellent permeation resistance
  • Excellent heat resistance
  • Applications
  • Fuel injectors
  • Quick connects
  • Fuel pumps
  • Fuel tank seals
  • Any seal application dealing with fuels, including synthetic fuels


  • Material
  • Green in Color
  • 100% Virgin Materials
  • Meets Ford Specification WSAM2D401-A8; BMW 602 00.0 55.05/FPM-65-M
  • ASTM D2000 3HK715A1-10B37B38C12EF31EO78Z1Z2Z1 = Duro 75 +/- 5Z2 = Color Green
  • Please note!!! As of 9/30/2017, this website will no longer accept orders. We've recently upgraded our ERP system and will be rolling out a new ordering portal soon. IMPORTANT: Information regarding on-hand quantities is no longer being updated! Please call your customer service representative at 800-225-8505 for this information.