PTFE FEP PFA ETFE PCTFE PVDF TUBE Properties Of Fluorocarbon

PTFE FEP PFA ETFE PCTFE PVDF TUBE
  max temp and small bore ptfe tubing 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

Excellent

Excellent

Excellent

Excellent

Excellent

Excellent

Weatherability

Excellent

Excellent

Excellent

Excellent

Excellent

Excellent

Combustibility(Oxygen%)

>95

>95

>95

31

>95

43


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