Dielectric Constants ( 1 )
| MATERIAL | CONSTANT |
|---|---|
| PTFE Foam | 1.5 |
| PTFE | 2.1 |
| FEP | 2.1 |
| PFA | 2.1 |
| Polyethylene ( 2 ) | 2.3 |
| Polypropylene ( 2 ) | 2.3 |
| TPR (Rubber) ( 2 ) | 2.5 |
| ETFE | 2.6 |
| Silicone | 3.1 |
| Polyimide | 3.1 |
| Nylon ( 2 ) | 3.5 |
| PVC ( 2 ) | 4.5 |
| Neoprene | 6.0 |
| PVDF | 7.9 |
1 - The ratio of the capacitance of a condenser with the dielectric between the electrodes to the capacitance when air is between the electrodes.
2 - Typical number that can change based on compound and processing techniques.
AC versus DC
| Approximate Voltage Conversion | |
|---|---|
| 1,000 VAC | 2,500 VDC |
| 2,000 VAC | 6,000 VDC |
| 3,000 VAC | 12,000 VDC |
| 4,000 VAC | 15,000 VDC |
| 5,000 VAC | 20,000 VDC |
| 6,000 VAC | 25,000 VDC |
| 7,000 VAC | 30,000 VDC |
| 8,000 VAC | 40,000 VDC |
| 9,000 VAC | 45,000 VDC |
| 10,000 VAC | 50,000 VDC |
