PCTFE

PCTFE (poly­chlorotri­flu­o­roeth­yl­ene) [Neoflon®]

Prop­er­ties

  • Fluorocarbon-based poly­mer
  • Com­pres­sive strength
  • Low defor­ma­tion under load
  • Non­flam­ma­ble
  • High opti­cal transparency
  • Low gas permeability

Com­mon uses

  • Super-cold refrig­er­a­tion components
  • Aero­space and flight applications
  • Valves
  • Seals
  • Com­pres­sors and pumps
  • Films
  • Gas­kets
  • Bear­ings
  • Stock shapes for machin­ing components
PCTFE

PCTFE

Mate­r­ial Specifications

ASTM or UL test Prop­erty Value
Phys­i­cal
D792 Den­sity (lb/in3)/(g/cm3) 0.077 (1.31)
D570 Water absorp­tion, 24 hrs (%) 2.13
Mechan­i­cal
D638 Ten­sile strength (psi) 5,300
D638 Ten­sile elon­ga­tion at break (%) 150
D638 Ten­sile mod­u­lus (psi) 207,000
D790 Flex­ural strength (psi) 8,500
D790 Flex­ural mod­u­lus (psi) 180,000
D695 Com­pres­sive strength (psi) 5,500
D695 Com­pres­sive mod­u­lus (psi) 180,000
D785 Hard­ness, Shore D90
D256 Izod notched impact (ft-lb/in) 5.0
Ther­mal
D3418 Melt­ing temp (F°/C°) 415/212
D696 Coef­fi­cient of lin­ear ther­mal
expan­sion (x 10–5 in./in./°F)
7.0
D648 Heat deflec­tion temp (F°/C°) at 264 psi 258/126
- Max oper­at­ing temp (F°/C°) 270/132
C177 Ther­mal con­duc­tiv­ity
(BTU-in/ft²-hr-°F)
1.45
UL94 Flam­ma­bil­ity rating V-O
Elec­tri­cal
D150 Dielec­tric con­stant at 1 MHz -
D150 Dis­si­pa­tion fac­tor at 1 MHz -
D149 Dielec­tric strength (V/mil)
short time, ⅛” thick
500
D257 Vol­ume resis­tiv­ity (ohm/cm) at 50% RH 1018

These are typ­i­cal val­ues for ref­er­ence and com­par­i­son only. They should not be used as a basis for design spec­i­fi­ca­tions or qual­ity con­trol. Con­tact us for the man­u­fac­tur­ers’ com­plete mate­r­ial prop­erty datasheets. All val­ues were taken at 73°F (23°C) unless oth­er­wise noted.

Don’t see what you’re look­ing for? Call us at 800–423-2769 or email us at tom@crownplasticsinc.com.