Product Name：

Properties of Raw Material

Property

PTFE

FEP

PFA

PE

PEBAX

PEEK

Specific gracity

2.14-2.2

2.12-2.17

2.12-2.17

0.91-0.97

1.01

1.27-1.32

Melting point(℃)

327

270

310

92

174

343

Contact angle(degree)

110

114

115

90

/

114

Maximum temp.for continuous use(℃)

260

200

260

80

80

260

Tensile strength(MPa)

20-45

19-22

27-31

22-45

32-56

≥93

Elongation(%)

200-400

250-330

280-300

200-900

360

20

Static friction coeffcient

0.02

0.05

0.05

0.2

/

0.34

Dielectric constant

2.1

2.1

2.1

2.3-2.4

/

3.2-3.3

Dielectric dissipation factor

<1×10^-5

6×10^-5

1×10^-5

（2-5）×10^-4

/

3×10^-3

Dielectric breakdown strength(V/mil) 3.2mm

500

500

500

457-711

/

190

Volume resistance(Ω-cm)

>10¹⁸

>10¹⁸

>10¹⁸

≥10¹⁶

/

>10¹⁴

Chemical resistance

Excellen

Excellen

Excellen

Good

Weatherability

Excellen

Excellen

Excellen

Combustibility(Oxygen%)

>95

>95

>95

＞17.4

/

＞24