The TexLoc® Library
ETFE Properties

The table below lists a generally accepted summary of properties that we believe to be reliable. Please note that many of these resins are produced in several varieties and property characteristics may vary. Therefore, determination of resin is dependent on the application and this table is only meant to serve as a general guideline.

 
 

ETFE Detailed Properties
(Ethylene Tetrafluoroethylene)

Properties ASTM or Unit ETFE
MECHANICAL PROPERTIES
Specific Gravity D792 1.74
Elongation % D638 420~460
Tensile Strength (psi) D638 6,100~6,800
Flexural Strength (psi) D790 5,500
Compressive Strength D695 2,500
Tensile Elastic Modulus 
(Young's Modulus) (psi)
D638 85,000~
95,000
(psi)
Flexural Modulus
103MPa (103kgf/cm2)
D790 128,000~
171,000
D790 0.9-1.4
(9.0-14.0)
Flex Life
(MIT cycles)
D2176 10,000~
27,000
Hardness Durometer
 Shore D
D636 D75
Coefficient of Friction on steel 0.06
Abrasion Resistance
1000 revs.
Taber n.a
Impact Strength IZOD
73F/23C, notched ft/lbs/in
D256 no break
THERMAL PROPERTIES
Melting Point C
(F)
267
(512)
Upper Service
Temperature(20,000h)
C
(F)
150
(302)
Flame Rating** UL 94 V-0

Thermal Conductivity
 
BTU/hr/ft2/deg F in 1.65
cal/sec/cm2,C/cm 5.7 x 10-4
Linear Coefficient of Thermal Expansion 10-5 C D696 13
Heat of Fusion BTU/LB 20
Heat of Combustion BTU/LB 8100
Low Temperature Embrittlement C
(F)
-100
(-148)
ELECTRICAL PROPERTIES
Dielectric Constant D150/103Hz 2.6
D150/106Hz 2.6
Dielectric Strength
10 mil film
D1491600
Volume Resistivity ohm-cm D257>1016
Surface Resistivity
ohm/sq.
D257>1015
GENERAL PROPERTIES
Chemical/Solvent
Resistance
D543Excellent
Water Absorption, 24h %<0.03
Deformation Under Load *D621/100C5.4
**D621/25C 2.3
Refractive Index 1.40
Limiting Oxygen Index >9531
Properties ASTM or Unit ETFE
 
 
 
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