|
| 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
73°F/23°C, 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,ºC/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 |
D149 | 1600 |
| Volume Resistivity ohm-cm |
D257 | >1016 |
Surface Resistivity ohm/sq. |
D257 | >1015 |
| GENERAL PROPERTIES |
Chemical/Solvent Resistance |
D543 | Excellent |
| Water Absorption, 24h |
% | <0.03 |
| Deformation Under Load |
*D621/100°C | 5.4 |
| **D621/25°C |
2.3 |
| Refractive Index | | 1.40 |
| Limiting Oxygen Index |
>95 | 31 |
|
Properties
|
ASTM or Unit
|
ETFE
|
| |
| |
|