Product Description

High Insulation Heat Shrink Protective Tube

High-Insulation-Heat-Shrink-Protective-Tube

Model: HIHST

Description

High Insulation Heat Shrink Protective Tube (HIHST) is made from radiation cross-linked polyolefin, Designed for applications to seal and protect power cable joints from 11kV to 36kV. It has Excellent insulation and rapid shrink. Mainly used for the outer protection of cable straight joints.

Features

>Material:cross-linked polyolefin.
>Operating temperature:-45℃~105℃.
>Shrink temperature:Start at 100℃ and shrink totally at 130℃.
>Color:Black or Red

Technical Data

Property

Test Method

Standard Value

Tensile strength

ASTM-D-638

≥13MPa

Elongation at break

ASTM -D- 638

≥300%

Tensile strength after aging

ASTM-D-2671/120℃,168hrs

≥11MPa

Elongation at break after aging

ASTM-D-2671/120℃,168hrs

≥240%

Volume resistance

ASTM-D-2303

≥1×1014Ω·cm

Dielectric strength

IEC 243

≥20kV/mm

Longitudinal shrinkage

≤ 10%

Eccentricity

ASTM-D-267

≤30%

Water absorption

ISO 62

≤0.1%

Specification:

Part No.

Inner Diameter

Recovered wall Thickness Nom.(mm)

Standard Length (mm)

As supplied  Min.(mm)

After recovery Max.(mm)

HIHST-10/5

10

5

1.2

275-1000

HIHST-15/7

15

7

1.3

275-1000

HIHST-20/8

20

8

1.7

275-1000

HIHST-30/11

30

11

1.8

275-1000

HIHST-35/13

35

13

2.0

275-1000

HIHST-40/17

40

17

2.2

275-1000

HIHST-50/22

50

22

2.5

800-1200

HIHST-60/25

60

25

2.5

800-1200

HIHST-80/30

80

30

2.9

850-1200

HIHST-100/39

100

39

3.0

850-1200

HIHST-120/45

120

45

3.0

850-1200

HIHST-140/56

140

56

3.5

850-1200

HIHST-160/58

160

58

3.5

850-1200