Property

Requirement

Test method

Tensile strength

≥10.0 MPa

ISO 37

Ultimate Elongation

≥250%

ISO 37

Secant-Mod

≥75Mpa

ASTM D 882

Heating Aging, 125C/3kh 130C/168h

No cracking, dripping, or flowing of outer wall

ASTM D 2671

Water Absorption

≤0.5%@23C/24h

ASTM D 2671

Dielectric Strength

≥16 KV/mm

ASTM D 2671

Volume resistivity

≥1*10^12 Ω•cm

ASTM D 2671

Flammability

FMVSS302,app.Dependent

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

Φ5.7/1.3

5.7

1.3

1.20

0.60

Φ7.5/1.7

7.5

1.7

1.60

0.80

Φ11/2.4

11.0

2.4

2.0

1.0

Φ14/3.0

14.0

3.0

2.2

1.10

Φ18.3/4.4

18.3

4.4

2.40

1.40