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Insulation Type: PTFE

Trade Name:
  • -Teflon®
  • -Algoflon®
  • -Fluon®
  • -Halon® PTFE
  • -Polyflon®
  • -Hostaflon®

    •  Aircraft on which PTFE has been found:
  • - A-10 - No dates available

  • - Chinook - No dates available

    • *Note: Some of the older aircraft types of insulation may have replaced by the original wire. The listings of aircraft are not complete, especially with those special uses, e.g., engine areas, electronic boxes, etc.
    Mil Specs and other Standards using PTFE:
  • - BMS 13-28 (Boeing)

  • - MIL-W-16878/4

  • - MIL-W-16878/6

  • - MIL-W-16878/5

  • - MIL-W-16878/20

  • - MIL-W-16878/21

  • - MIL-W-16878/22

  • - MIL-W-16878/23

  • - MIL-W-16878/24

  • - MIL-W-16878/25

  • - MIL-W-16878/26

  • - MIL-W-16878/27

  • - MIL-W-16878/28

  • - MIL-W-16878/34

  • - MIL-W-16878/35

  • - MIL-W-22759/1

  • - MIL-W-22759/2

  • - MIL-W-22759/3

  • - MIL-W-22759/4

  • - MIL-W-22759/5

  • - MIL-W-22759/6

  • - MIL-W-22759/7

  • - MIL-W-22759/8

  • - MIL-W-22759/9

  • - MIL-W-22759/10

  • - MIL-W-22759/11

  • - MIL-W-22759/12

  • - MIL-W-22759/20

  • - MIL-W-22759/21

  • - MIL-W-22759/22

  • - MIL-W-22759/23

  • - MIL-W-22759/28

  • - MIL-W-22759/29

  • - MIL-W-22759/30

  • - MIL-W-22759/31

  • - MIL-W-22759/80

  • - MIL-W-22759/81

  • - MIL-W-22759/82

  • - MIL-W-22759/83

  • - MIL-W-22759/84

  • - MIL-W-22759/85

  • - MIL-W-22759/86

  • - MIL-W-22759/87

  • - MIL-W-22759/88

  • - MIL-W-22759/89

  • - MIL-W-22759/90

  • - MIL-W-22759/91

  • - MIL-W-22759/92

  • - MIL-W-25038/1

  • - MIL-W-25038/2

  • - MIL-W-25038/3

  • - MIL-W-81822/4

  • - MIL-W-81822/6

  • - PAN 6411

  • - SAE-AS22759/1

  • - SAE-AS22759/10

  • - SAE-AS22759/11

  • - SAE-AS22759/12

  • - SAE-AS22759/2

  • - SAE-AS22759/20

  • - SAE-AS22759/21

  • - SAE-AS22759/22

  • - SAE-AS22759/23

  • - SAE-AS22759/28

  • - SAE-AS22759/29

  • - SAE-AS22759/3

  • - SAE-AS22759/30

  • - SAE-AS22759/31

  • - SAE-AS22759/4

  • - SAE-AS22759/5

  • - SAE-AS22759/6

  • - SAE-AS22759/7

  • - SAE-AS22759/8

  • - SAE-AS22759/80

  • - SAE-AS22759/81

  • - SAE-AS22759/82

  • - SAE-AS22759/83

  • - SAE-AS22759/84

  • - SAE-AS22759/85

  • - SAE-AS22759/86

  • - SAE-AS22759/87

  • - SAE-AS22759/88

  • - SAE-AS22759/89

  • - SAE-AS22759/9

  • - SAE-AS22759/90

  • - SAE-AS22759/91

  • - SAE-AS22759/92



    • Other Common Uses:
  • -Used in other wiring applications
  • -Many other uses


    •      		Example Cross Section Diagrams:




     Advantages: Excellent high temperature properties Non-Flammable Good out-gassing characteristics One of the most flexible of all insulation materials Resistant with exposure to normally expected fluids Good weathering, resists moisture, absorption and atomic oxygen erosion Very low decomposition rate (decomposes to the monomer) Very low surface energy
    Disadvatages: Susceptible to cold flow when stressed (bent) over a tight radius or when laced too tightly Degraded by solar radiation above 5 x10^5 Rd Relatively heavy - 5.4 pounds per 1000 feet (7.9 kg/km) for AWG 20 gauge wire Moderately thick – 60 mils (3.24 mm) for AWG 20 gauge wire Large size mineral filled PTFE (see below) has failed completely due to longitudinal splitting
    Other Information:
    PTFE sometimes used with other materials, e.g., glass, minerals (MIL-W-22759/5 through /8) and BMS 13-28 PTFE also used as a top coat or layer with other insulation materials-MIL-W-22759/80 through /92, DSP33/008, and ACT 150 and ACT 260 PTFE can be either extruded or a wrapped tape Efglas has PTFE tape with PTFE impregnated fiber glass Efglas is rated up to 260o C Mystik® 7503 tape is a PTFE film with a silicone adhesive

    Chemical Information:

    Chemical Name: Poly (tetrafluoroethylene)

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