Insulation enhancement system

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M501 High Voltage Busbar Tape

(High Voltage Heat Shrinkable Insulating Tape)



To provide a simple and effective solution to the problems of retrofit insulation of bus bar particularly with equipment cannot be dismantled. Applicable up to 35kV.



It’s a heat-shrinkable, adhesive-coated tape which provides insulation enhancement and protection against accidentally short circuit.

Easy to apply using readily available equipment

Easily installed over a wide variety of shapes including complex connections.

Excellent anti-tracking and UV-resistance properties

Suitable for both indoor and outdoor use

Working temperature:-55℃ to 105℃


Technical properties:


Testing method

Typical data

Dielectric strength

IEC 243


Volume resistance

IEC 93


Dielectric constant

IEC 250


Water absorption



Tensile strength

ASTM D 2671


Elongation at break

ASTM D 2671



ISO 4589




42kV/1min( 30mm)no attack

Thunder impact


75±15kV(   30mm)no attack

Rust testing


23±2℃,humidity,95%,24hrs pass

Thermo aging


136℃,168 hrs Pass






Related information:

The product is supplied as rolls of specified dimensions. Recommend to store in the original packing, protected from moisture, dust, heat and sunlight.


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