Poled PVDF-TrFE Copolymer piezoelectric film with 6 mm/8 mm gold electrode. 6 mm side positive, with gold electrode tail for electrical connection. 100 mm x 100 mm size = 32 transducers 

Composition: VDF/TrFE (VF3) = 80/20 mol, 75/25 mol, 70/30 mol [Other compositions can be special produced, 65/35, 55/45, and 50/50)

Thickness: 3 um to 100 um, other thickness can be produced based on request

d33 >25 pC/N.

d31=d32 ~ 8 pC/N

Dielectric Constant: ~8.5

Coupling Factor: >0.30

Resonance Frequency: thickness related

Curie Transition (80/20 mol): >130 C 

Operation: <120 C

Curie Transition (75/25 mol): >110 C 

Operation: <100 C

Curie Transition (70/30 mol): >90 C 

Operation: <80 C

For piezo sensors. ultrashound transducers. 

With 100 nm gold electrode both surfaces. It has 6 mm diameter on positive side and 8 mm on the negative side, each with a tail for electrical connection. Effective area is 6 mm diameter. Each sheet has 32 active ultrasound transducers.

Also sell in smaller package, such as 8 transducer pack.