Product Description

Stress Control Heat Shrink Tube

Stress Control Heat Shrink Tube, electrical stress control, prevent dielectric breakdown

Model: STHST

Description

Stress Control Heat Shrink Tube (STHST) is made from radiation cross-linked polyolefin material, the specially designed chemical formulation and carefully controlled manufacture technology effectively release the high electrical stress present at insulation joints and terminations of power cables. It provides effective stress control for termination kits and straight joints for XLPE cable and PILC Cable up to 36kv.

Features

>Material: Cross-linked polymer.
>Operating temperature: -40℃~100℃ .
>Shrink temperature: Start at 100℃ and shrink totally at 130℃
>Standard Color: Black.

Technical Data

Property

Test Method

Standard Value

Operating temperature

IEC 216

-40℃ to +100℃

Tensile strength

ASTM-D-638

≥12MPa

Elongation at break

ASTM-D-638

≥300%

Tensile strength after aging

ASTM-D-2671/120℃,168hrs

≥10MPa

Elongation at break after aging

ASTM-D-2671/120℃,168hrs

≥210%

Volume resistance

IEC 93

1×108~10Ω·cm

Dielectric constant

IEC 250

≥20

Longitudinal shrinkage

≤10%

Eccentricity

ASTM-D-267

≤30%

Water absorption

ISO 62

≤0.1%

Specification:

Part No.

Inner Diameter(mm)

Recovered Wall Thickness Nom.(mm)

Standard Length  (mm)

As supplied (Min)

After Recovery (Max)

STHST-30/12

30

12

2.1+/-0.1

100-1200

STHST-35/15

35

15

2.1+/-0.1

100-1200

STHST-40/18

40

18

2.1+/-0.1

100-1200

STHST-45/20

45

20

2.1+/-0.1

100-1200

STHST-55/25

55

25

2.4+/-0.1

100-1200