Material Properties

Insulation & Sheath Material Properties In General

Characteristics of Thermoplastic Insulating and Sheath Materials

Characteristics of Thermoplastic Insulating 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

Y

PVC

Polyvinylchloride compounds

1,35 – 1,5

25

1013– 1015

3,6 – 6

4 x 10–2
to
1 x 10–1

Yw

PVC

Heat-resistant 90°C

1,3 – 1,5

25

1012– 1015

4 – 6,5

Yw

PVC

Heat-resistant 105°C

1,3 – 1,5

25

1012– 1015

4,5 – 6,5

Yk

PVC

Cold resistant

1,2 – 1,4

25

1012– 1015

4,5 – 6,5

2Y

LDPE

Low density Polyethylene

0,92 – 0,94

70

1017

2,3

2 x 10–4

2Y

HDPE

High density Polyethylene

0,94 – 0,98

85

1017

2,3

3 x 10–4

2X

VPE

Cross-linked Polyethylene

0,92

50

1012– 1016

4 – 6

2 x 10–3

O2Y

 

Foamed Polyethylene

0,65

30

1017

1,55

5 x 10–4

3Y

PS

Polystyrene

1,05

30

1016

2,5

1 x 10–4

4Y

PA

Polyamide

1,02 – 1,1

30

1015

4

2 x 10–2 to 1 x 10–3

9Y

PP

Polypropylene

0,91

75

1016

2,3 – 2,4

4 x 10–4

11Y

PUR

Polyurethane

1,15 – 1,2

20

1010– 1012

4 – 7

2,3 x 10–2

 

CPE

Chlorinated Polyethylene

1,16

20

1010-1013

5,5

2,8 x 10–2

12Y

TPE-E

Polyester Elastomer

1,2 – 1,4

40

>1010

3,7 – 5,1

1.8 x 10–2

 

TPE-O

Polyolefine Elastomer

0,89 – 1,0

30

>1010

2,7– 3,6

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

Permanent (°C)

Short time(°C)

+°C

(% O2)

MJ·kg-1

W·K-1·m-1

Mrad

Y

PVC

Polyvinylchloride compounds

 

-30+70

+100

>140

23-42

17-25

0,17

Hydrogen chloride

80

Yw

PVC

Heat-resistant 90°C

-20+90

+120

>140

16-22

Yw

PVC

Heat-resistant 105°C

-20+105

+120

>140

24-42

16-20

Yk

PVC

Cold resistant

-40+70

+100

>140

17-24

2Y

LDPE

Low density Polyethylene

-50+70

+100

105-110

≤22

42-44

0,3

No

100

2Y

HDPE

High density Polyethylene

-50+100

+120

130

0,4

2X

VPE

Cross-linked Polyethylene

-35+90

+100

0,3

O2Y

 

Foamed Polyethylene

-40+70

+100

105

18-30

0,25

3Y

PS

Polystyrene

-50+80

+100

>120

≤22

40-43

0,25

No

80

4Y

PA

Polyamide

-60+105

+125

210

≤22

27-31

0,23

No

10

9Y

PP

Polypropylene

-10+100

+140

160

42-44

0,19

11Y

PUR

Polyurethane

-55+80

+100

150

20-26

20-26

0,25

100(500)

 

CPE

Chlorinated Polyethylene

-55+60

+100

150-170

22-27

27,6

0,144

Hydrogen chloride

50

12Y

TPE-E

Polyester Elastomer

-50

+100

+140

190

≤29

20-25

0,5

No

10

 

TPE-O

Polyolefine Elastomer

+130

150

≤25

23-28

1,5

10

Designation

Mechanical

Halogen

VDE initial-code

Abbre-viations

Materials

Tensile strength

Elongation at break

Shore hardness

Water absorbtion

Halogen-free

N/mm2

%

%

Y

PVC

Polyvinylchloride compounds

 

10-25

130-350

70-95(A)

0,4

No

Yw

PVC

Heat-resistant 90°C

Yw

PVC

Heat-resistant 105°C

Yk

PVC

Cold resistant

2Y

LDPE

Low density Polyethylene

10-20

400-600

43-50(D)

0,1

Yes

2Y

HDPE

High density Polyethylene

20-30

500-1000

60-63(D)

2X

VPE

Cross-linked Polyethylene

12,5-20

300-400

40-45(D)

O2Y

 

Foamed Polyethylene

8-12

350-450

Conditional*

3Y

PS

Polystyrene

55-65

300-400

35-50(D)

0,4

Yes

4Y

PA

Polyamide

50-60

50-170

1,0-1,5

9Y

PP

Polypropylene

20-35

300

55-60(D)

0,1

11Y

PUR

Polyurethane

30-45

500-700

70-100(A)

1,5

Yes**

 

CPE

Chlorinated Polyethylene

12,5

700

70(A)

0.01

NO

12Y

TPE-E

Polyester Elastomer

30

>300

85(A)70(D)

1,5

Yes

 

TPE-O

Polyolefine Elastomer

20

55(A)70(D)

The propellent may be e.g. Fluor-Chlor-Hydrocarbon
**depend on the type compound

Designation

Properties

VDE initial-code

Abbre-viations

Materials

Oxidation resistance

Heat resistance

Oil resistance

Low-temperature flexibility

Weather, sun resistance

Ozone resistance

Abrasion resistance

Flame resistance

Y

PVC

Polyvinylchloride compounds

E

G-E

F

P-G

G-E

E

F-G

E

Yw

PVC

Heat-resistant 90°C

Yw

PVC

Heat-resistant 105°C

Yk

PVC

Cold resistant

2Y

LDPE

Low density Polyethylene

E

G

G-E

E

E

E

G

P

2Y

HDPE

High density Polyethylene

E

E

G-E

E

E

E

E

P

2X

VPE

Cross-linked Polyethylene

E

G

G

O

G

E

F-G

F-G

O2Y

 

Foamed Polyethylene

E

G

G

E

E

E

F

P

3Y

PS

Polystyrene

 

 

 

 

F

 

G

P

4Y

PA

Polyamide

E

E

E

G

E

E

E

P

9Y

PP

Polypropylene

E

E

F

P

E

E

F-G

P

11Y

PUR

Polyurethane

E

G

E

G

G

E

O

P

 

CPE

Chlorinated Polyethylene

E

E

E

E

E

E

E-O

E

12Y

TPE-E

Polyester Elastomer

E

E

E

E

E

E

E

F

 

TPE-O

Polyolefine Elastomer

E

E

F

E

E

E

F

F-G

P = Poor; F= Fair; G = Good; E = Excellent; O = Outstanding

Designation

Properties

VDE initial-code

Abbre-viations

Materials

Water resistance

Acid resistance

Alkali resistance

Aliphatic hydrocarbons resistance (Gasoline, kerosene, etc)

Aromatic

hydrocarbons resistance(Benzol, toluol, etc.)

Halogenated

hydrocarbons resistance (Degreaser solvents)

Alcohol resistance

Y

PVC

Polyvinyl-
chloride compounds

F-G

G-E

G-E

P

P-F

P-F

P-F

Yw

PVC

Heat-
resistant 90°C

Yw

PVC

Heat-
resistant 105°C

Yk

PVC

Cold resistant

2Y

LDPE

Low density Polyethylene

E

G-E

G-E

G-E

P

G

E

2Y

HDPE

High density Polyethylene

E

E

E

G-E

P

G

E

2X

VPE

Cross-linked Polyethylene

G-E

G-E

G-E

F

F

F

E

O2Y

 

Foamed Polyethylene

E

G-E

G-E

G

P

G

E

3Y

PS

Polystyrene

 

 

 

 

 

 

 

4Y

PA

Polyamide

P-F

P-F

E

G

G

G

P

9Y

PP

Polypropylene

E

E

E

P-F

P-F

P

E

11Y

PUR

Polyurethane

P-G

F

F

P-G

P-G

P-G

P-G

 

CPE

Chlorinated Polyethylene

E

E

E

G-E

E

E

E-O

12Y

TPE-E

 

Polyester Elastomer

E

F

F

G-E

E

E

E-O

 

TPE-O

Polyolefine Elastomer

E

G

G

G-E

E

E

E-O

P = Poor; F= Fair; G = Good; E = Excellent; O = Outstanding