Property

Requirement

Test method

Longitudinal charge

-10+0%

ASTM D 2671

Tensile strength

≥10.4 MPa

ASTM D 2671

Ultimate Elongation

≥200%

ASTM D 2671

Heat shock

250C/4h

No cracking, dripping, or flowing of outer wall

ASTM D 2671

Heating Aging, 175C/168h（7.3 Mpa）（≥100%）

No cracking, dripping, or flowing of outer wall

ASTM D 2671

Water Absorption

≤1%

ASTM D 2671

Dielectric Strength

≥19.7 KV/mm

ASTM D 2671

Volume resistivity

≥1*10^12 Ω•cm

ASTM D 257

Flammability

Self-extinguishing ≤10s,ISO 6722

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

Φ4/1

4.0

1.0

0.86

0.38

Φ5.7/1.3

5.7

1.3

1.20

0.56

Φ7.4/1.7

7.4

1.7

1.52

0.76

Φ9/2.3

9.0

2.3

1.78

0.94

Φ11/2.4

11.0

2.4

1.91

1.02

Φ14/2.4

14.0

3.0

2.15

1.25

Φ17.8/4.5

17.8

4.5

2.41

1.37

Φ24/6

24.0

6.0

2.1

1.0