Properties

BOPP

PEI

THV

PEEK

PI

PC

PTFE

PVDF-CTFE

Film Type

Semi- crystalline

Amorphous

Semi- crystalline

Semi- crystalline

Amorphous

Amorphous

Semi- crystalline

Semi- crystalline

Max use Temperature (˚C)

90

200

220

150

300

130

260

125

Energy Density at break down strength (J/cm3)

5

1.3

6.84

2.6

1.3

3.7

2.1

17

Dielectric Constant at 1 kHz (K)

2.2

3.2

4.5

3.2

3.3

3.0

2.1

10

Dielectric Loss at 1 kHz (10−3)

0.2

2

0.5

4

2

1.3

0.5

50

Breakdown strength (MV/m)

720

300

600

430

300

530

300

620

Tensile Strength (ksi)

4.9

14

3.5

17.4

10.5

9.5

3

7.5