Property

Requirement

Test method

Longitudinal charge

-15+0%

ASTM D 2671

Tensile strength

≥9.0 MPa

ASTM D 2671

Ultimate Elongation

≥200%

ASTM D 2671

Heat shock

225C/4h

No cracking, dripping, or flowing of outer wall

ASTM D 2671

Heating Aging, 150C/168h

No cracking, dripping, or flowing of outer wall

ASTM D 2671

Ultimate Elongation after heat aging

≥100%

ASTM D 2671

Low-Temp.Impact 4H±15min at -55+2℃

No crack

ASTM D 2671

Volume resistivity

≥1*1012 Ω•cm

ASTM D 257

Dielectric strength

≥19.7 KV/mm

ASTM D 2671

Flammability

Self-extinguishing ≤60s

ASTM D 2671

Size

Inner diameter

Wall thickness

IDe（min） Expanded as supplied

IDr（max） Recovered after heating

Tw(nom)

Recovered after heating

Ta(nom)

Recovered after heating

Φ3/1

 3

1

1

0.5

Φ6/2

6

2

1

0.5

Φ9/3

9

3

1.4

0.6

Φ12/4

12

4

1.78

0.75

Φ16/4

16

4

1.78

0.75

Φ24/6

24

6

2.25

0.8

Φ32/8

32

8

2.54

1.0

Φ52/13

52

13

2.54

1.0