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Tefzel ETFE Properties
| Property |
ASTM
Method |
Unit |
Grade
HT-2183 |
| Mechanical/Physical |
| Melt Flow Rate |
D-3159 |
g/10 min |
2-16 |
| Specific Gravity |
D-792 |
|
1.69-1.76 |
| Water Absorption, 24
Hr. |
D-570 |
% |
0.0007 |
| Tensile Strength, 23°C |
D-638 |
psi |
5,500-6,100 |
| Ultimate Elongation, 23°C |
D-638 |
% |
275-300 |
| Impact Strength, 23°C,
Notched Izod |
D-256 |
J/m |
no break |
| Flexural Modulus, 23°C |
D-790 |
psi |
145,000 |
| Durometer Hardness,
Shore D |
D-2240 |
D |
67 |
| Coefficient of Friction |
D-1894 |
|
0.23 |
| Thermal |
| Melting Point |
D-3418 |
°C |
255-280 |
| Linear Coefficient of
Expansion (0°C to 100°C) |
D-696 |
mm/mm/°C |
13.3 X 10-5 |
| Limiting Oxygen Index |
D-2863 |
% |
30-32 |
| Upper Service
Temperature |
|
°C |
155 |
| Flammability |
UL 94 |
|
V-0 |
| Electrical |
| Surface Resistivity |
D-257 |
ohm-sq |
10-17 |
| Volume Resistivity |
D-257 |
ohm-cm |
10-17 |
| Dielectric Strength (10
mil film) |
D-149 |
Volts/mil |
1,800 |
| Dielectric Constant, 23°C,
1 MHz |
D-150 |
|
2.5-2.6 |
| Dissipation Factor, 23°C,
1 MHz |
D-150 |
|
0.0072 |
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