Characteristics of High Temp. Insulation and Sheath Materials

Designation

Electrical

VDE initial-code

Abbre-viations

Materials

Density

Break down voltage

Specific volume resistivity

Dielectric-constant

Dielectric loss factor tan δ

g/cm3

KV/mm (20°C)

Ohm·cm 20°C

50 Hz/20°C

10Y

PVDF

Polyvinylidene fluoride

1,7–1,9

25

1014

9–7

1,4 x 10–2

7Y

ETFE

Ethylene-Tetrafluorethylene

1,6–1,8

36

1016

2,6

8 x 10–4

6Y

FEP

Fluorinated ethylene propylene

2,0–2,3

25

1018

2,1

3 x 10–4

5YX

PFA

Perfluoroalkoxypolymeric

2,0–2,3

25

1018

2,1

3 x 10–4

5Y

PTFE

Polytetrafluorethylene

2,0–2,3

20

1018

2,1

3 x 10–4

E-CTFE

Ethylene-Chlorotrifluoroethylene

1,67–1,69

39

1015

2.5

9 x 10–3

Designation

Thermic

VDE initial-code

Abbre-viations

Materials

Working temp

Melt-temp

Oxygen index LOI

Heating value H0

Thermal-conductivity

Corrosive gases in case of fire

Radiation resistance

Perma-nent (°C)

Short time(°C)

+°C

(% O2)

MJ·kg-1

W·K-1·m-1

Mrad

10Y

PVDF

Polyvinylidene fluoride

– 40+135

+160

＞170

40–45

15

0,17

Hydrofluoric

10

7Y

ETFE

Ethylene-Tetrafluore-thylene

–100+150

+180

＞265

30–35

14

0,24

Yes

10

6Y

FEP

Fluorinated ethylene propylene

–100+205

+230

＞225

＞95

5

0,26

Yes

1

5YX

PFA

Perfluoroalkoxy-polymeric

–190+260

+280

＞290

＞95

5

0,21

Yes

0.1

5Y

PTFE

Polytetra-fluorethylene

–190+260

+300

＞325

＞95

5

0,26

Yes

0,1

E-CTFE

Ethylene-Chlorotri-fluoroethylene

–100+140

+170

＞242

＞60

14

0,14

YES

0.01

Designation

Mechanical

Halogen

VDE initial-code

Abbre-viations

Materials

Tensile strength

Elongation at break

Shore hardness

Water absorbtion

Halogen-free

N/mm2

%

%

10Y

PVDF

Polyvinylidene fluoride

50–80

150

75–80 (D)

0,01

No

7Y

ETFE

Ethylene-Tetrafluorethylene

40–50

150

70–75 (D)

0,02

6Y

FEP

Fluorinated ethylene propylene

15–25

250

55–60 (D)

0,01

5YX

PFA

Perfluoroalkoxy-polymeric

25–30

250

55–60 (D)

0,01

5Y

PTFE

Polytetra-fluorethylene

80

50

55–60 (D)

0,01

E-CTFE

Ethylene-Chlorotri-fluoroethylene

48

200-300

75()D

0.1

Designation

Properties

VDE initial-code

Abbre-viations

Materials

Oxidation resistance

Heat resis-tance

Oil resis-tance

Low-tempe-rature flexibility

Weather, sun resistance

Ozone resis-tance

Abrasion resistance

Flame resis-tance

10Y

PVDF

Polyviny-lidene fluoride

O

O

E

F

E-O

E

E

E

7Y

ETFE

Ethylene-Tetrafluore-thylene

E

E

E

E

E

E

E

G

6Y

FEP

Fluorinated ethylene propylene

O

O

O

O

O

E

E

O

5YX

PFA

Per-fluoroalkoxy-polymeric

E

E

E

E

E

E

G

E

5Y

PTFE

Polytetra-fluorethylene

O

O

E-O

O

O

O

O

E

E-CTFE

Ethylene-Chlorotri-fluoroethylene

O

O

O

O

O

E

E

E-O

Designation

Properties

VDE initial-code

Abbre-viations

Materials

Water resis-tance

Acid resis-tance

Alkali resis-tance

Aliphatic hydrocarbons resistance (Gasoline, kerosene, etc)

Aromatic

hydrocarbons resistance (Benzol, toluol, etc.)

Halogenated hydrocarbons resistance (Degreaser solvents)

Alcohol resis-tance

10Y

PVDF

Polyviny-lidene fluoride

E

G-E

E

E

G-E

G

E

7Y

ETFE

Ethylene-Tetrafluore-thylene

E

E

E

E

E

E

E

6Y

FEP

Fluorinated ethylene propylene

E

E

E

E

E

E

E

5YX

PFA

Per-fluoroalkoxy-polymeric

E

E

E

E

E

E

E

5Y

PTFE

Polytetra-fluorethylene

E

E

E

E

E

E

E

E-CTFE

Ethylene-Chlorotri-fluoroethylene

E

E

E

E

E

E

E