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You are here: Home » Products » Accessories » Medium Voltage Heat Shrink Tubing

Medium Voltage Heat Shrink Tubing

Material: high molecular polymer
Color: black, red, yellow, green, blue, etc.
Size: 20-300mm
Minimum order: 1 roll
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  • NKS-10kVRSG- NKS-20kVRSG- NKS-35kVRSG-


Medium Voltage Heat Shrink Tubing product introduction:

Heat shrinkable busbar bushings are used for insulation protection of busbar copper bars in up to 42kV substation distribution cabinets and other places. It has good anti-fouling, flame retardant, corrosion resistance and insulation properties, providing a strong guarantee for the safe operation of the power system.

Working temperature -55℃~125℃; shrinkage temperature 85~100℃, complete shrinkage temperature 130℃.

Medium Voltage heat shrink tubing product features:

High mechanical strength, suitable for a variety of power cables

Strong UV resistance and strong weather resistance

Has excellent insulation properties, corona resistance and tracking resistance

Simple design and reasonable structure

Electrical performance parameters of Medium Voltage heat shrink tubing:

Test Items

Test Methods

Test Requirements

Tensile Strength ASTM D638 ≥10Mpa
Ultimate elongation ASTM D638


Tensile Strength after Aging ASTM D638


Ultimate elongation after aging



Longitudinal shrinkage

ASTM D2671


Dielectric constant ASTM D2671 ≥18Ω.cm
voltage breakdown strength ASTM D149 ≥25kv/mm
Volume resistivity ASTM D257 >1014Ω.cm
density ASTM D792 1.22g/cm⊃2;
Flame retardancy UL 224 VW-1
complete shrinkage temperature ASTM D792 130±5℃

Selection table for Medium Voltage heat shrink tubing:

Medium voltage heat shrink tubing

The company adheres to the concept of environmental friendliness and smart connection, and is willing to work with you to create green and sustainable development, leading smart technology power industry.

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Address:  No. 11, 6th Industrial Zone, Mashantou Community, Ma Tian Street, Guangming District, Shenzhen, CN 
Tel:  +86-755-2666-0819 
Hand phone:  +86-135-1015-8968 
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