PVdF research kit
Our research starter pack of PVdF.
Overview
Research pack of PVdF contains:
- 2 pieces of 40 micron PVdF poled, golded on both surfaces, size 5 cm x 5 cm
- 2 pieces of 80 micron PVdF poled, golded on both surfaces, size 5 cm x 5 cm
Typical Uses
- Pressure or impact sensors
- Strain gauge
- Simple microphones
- Acoustic pickups
Specifications
General properties relevant to all samples. Quarter and half wave thickness resonance frequencies for PVdF film can be deduced from the acoustic velocity and the thickness of the film.
| Density: | 1780 kg/m3 |
| Longitudinal acoustic velocity: | 2250 m/s |
| Melting temperature: | 175 ºC |
| Curie temperature: | 205 ºC |
| Max operating temperature: | 70 ºC |
40 µm and 80 µm PVdF
| Metallisation: | Approximately 250 nm Gold on top of 50 nm Chrome |
| Film orientation: | Uni-axially oriented film |
| Poling method: | Poled as continuous roll via corona discharge |
| Poling uniformity | Some small-scale local variation |
| Approximate piezo coefficients: | d31 = 27 pC/N, d32 = 5 pC/N, d33 =19.1 to 25.5 pC/N |
| Di-electric constant (relative permittivity): | 4-12 |
