Technical Data

Specific Properties

ASTM Method Unit Teflon® PTFE Teflon® FEP Teflon® PFA Teflon® ETFE
Non-Stick none Excellent Excellent Excellent Good
Abrasion   Resistance none Fair Good Very   Good Excellent
Chemical   Resistance none Good Excellent Excellent Excellent
Max   Use Temperature °F
°C°F
°C
550
290600
315
400
205450
230
500
260550
290
300
150390
200
Melting   Point D3418 °F
°C
621
327
500
260
582
305
512
267
Specific   Gravity D792 2.15 2.15 2.15 1.76
Coefficient   of Friction D1894 StaticDynamic .12   – .15.05 – .10 .12   – .20.08 – .30 .20  .24   – .50.30 – .40
Hardness D2240 Shore   D 50   – 65 56 60 72
Tensile   Strength D638 Mpa 21   – 35 23 25 40   – 47
Elongation D638 % 300   – 500 325 300 150-300
Flexural   Modulus D790 Mpa 500 600 600 1200
Thermal   Conductivity see   note 1 1.7 1.4 1.3 1.65
Dielectric   Strength D149 V/µm 18 53 80 79
Dielectric   Constant D150 1   MHz 2.1 2.1 2.1 2.6
Arc   Resistance D495 sec >300 >300 >180 122
Volume   Resistivity D257 ohm·cm >10   18 >10   18 >10   18 >10   17
Surface   Resistivity D257 ohm/sq. >10   18 >10   16 >10   17 >10   15
Weather   Resistance Florida Exposure years   unaffected 20 20 10 15
Water   Absorption D570 % <.01 <.01 <.03 <.03
Contact   Angle water   ° 104-111 95-105 104-111 90-100