| Properties |
Tefzel ETFE |
Natural Rubber |
Hyalon |
Neoprene |
Butyl |
Silicone |
SBR |
Polyurethane |
| 1. Specific Gravity |
1.70-1.86 |
1.3-1.7 |
1.35-1.7 |
1.23-1.65 |
0.92-1.50 |
1.1-1.6 |
0.94 |
1.30 |
| 2. Tensile Strength |
6500 |
1500-4000 |
1200-2200 |
1200-2700 |
500-1500 |
1000 |
>3000 |
>3500 |
| 3. Elongation,% |
200 |
300-700 |
300-600 |
300-700 |
300-800 |
100-500 |
>450 |
540-750 |
| 4. Volume Resistivity, ohm-cm |
|
|
|
|
|
|
|
|
| 5. Dielectric Strength, volts mil |
500 |
– |
500 |
600 |
600 |
100-700 |
420-520 |
330-630 |
| 6. Dielectric Constant @60Hz |
2.6 |
– |
– |
– |
– |
– |
2.5-3.4 |
5.4-7.6 |
| 7. Dielectric Constant @1kHz |
2.6 |
3.3-5.0 |
9.0-11.0 |
5.0-7.0 |
2.1-2.4 |
3.0-3.5 |
2.9 |
5.6-7.6 |
| 8. Power Factor (Dissipation) @60Hz |
– |
– |
– |
– |
– |
– |
0.002-0.003 |
0.015-0.046 |
| 9.Power Factor (Dissipation) @1kHz |
0.0006 |
0.0023- 0.0030 |
0.05-0.07 |
3.5 |
0.0030 |
0.001-0.0010 |
0.0032 |
0.043-0.060 |
