Product Name：

Properties Of Fluorocarbon

Property

PTFE

FEP

PFA

ETFE

PCTFE

PVDF

Specific gracity

2.14-2.2

2.12-2.17

2.12-2.17

1.7-1.86

2.1-2.14

1.75-1.78

Melting point(℃)

327

270

310

270

220

173-175

Contact angle(degree)

110

114

115

96

84

82

Maximum temp.for continuous use(℃)

260

200

260

150

120

150

Tensile strength(MPa)

20—45

19--22

27--31

40--46

31--41

39--59

Elongation(%)

200—400

250--330

280--300

420--440

80--250

300--450

Static friction coeffcient

0.02

0.05

0.05

0.06

0.08

0.4

Dielectric constant

2.1

2.1

2.1

2.6

2.3—2.7

7.72

Dielectric dissipation factor

<1×10^-5

6×10^-5

1×10^-5

8×10^-4

(2.3-2.7)×10^-2

1.9×10^-2

Dielectric breakdown strength(V/mil) 3.2mm

500

500

500

400

500

260

Volume resistance(Ω-cm)

>10¹⁸

>10¹⁸

>10¹⁸

>10¹⁶

>10¹⁶

>2×10¹⁴

Chemical resistance

Excellen

Excellen

Excellen

Excellen

Excellen

Excellen

Weatherability

Excellen

Excellen

Excellen

Excellen

Excellen

Excellen

Combustibility(Oxygen%)

>95

>95

>95

31

>95

43