Insulation behavior with insulation scale temperature chart

Material

Specific density(gm/cm3)

Tensile Strength N/mm2

Min Elongation

Dielectric Strength kV/mm

Oxygen Index (%)

PVC

1.25 to 1.6

10 to 25

125 to 400

16

25 to 35

LDPE

0.92 to 0.93

13 to 20

300 to 700

24

18

HDPE

0.94 to 0.96

20 to 30

300 to 800

24

18

XLPE

0.91 to 0.92

25 to 40

200 to 500

24

18

Polypropylene

0.90

15 to 34

300 to 800

26

18

Polyimide

1.45 to 1.55

150 to 250

50 to 80

180 to 250

35 to 45

FEP

2.15

15 to 30

200 to 400

40

>95

PTFE

2.17 to 2.2

14 to 40

200 to 400

40

> 95

PFA

2.17

18 to 30

200 to 400

40

>95

ETFE

1.73 to 1.76

40 to 50

200 to 400

20

>30

Silicon rubber

1.10 to 1.50

5 to 10

200 to 400

16

20

PEEK

1.20 to 1.32

50 to 100

20 to 60

20

35 to 48