EPR Electrical Semi-conducting Tape KC72

◆ Can be used to repair XLPE cable terminations and joints or shielding for other devices up to 110kV.

◆ Retains its conductivity when stretched.

◆ Semi-conducting (low resistivity).

◆ Suitable for irregular shapes cable with good elongation.

◆ Withstand high temperatures (130°C/266°F) short-term overload.

◆ Compatible with all solid dielectric cable insulations and conductors.

◆ Resistance to ozone, solvents, UV, xenon exposure and moisture.

◆ Suitable for indoor or outdoor applications.

◆ Operation and installation easily.

◆ Increases its conductance and will not harm it in any way.

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product introduction

Product Description

Cotran Brand KC72 electrical semi-conducting tape is a Highly conformable, self-fusing, semi-conducting ethylene

propylene rubber(EPR) based, high voltage splicing tape. KC72 is used for repairing of XLPE cable terminations

and joints or shielding for other devices up to 110kV.

Applications

◆ Uniform electric field in high electric field, to minimize electrical stresses in

◆ Continue semi-conducting strand shielding found in solid dielectric cables above 5kV.

◆ Provide shielding layer for solid dielectric insulated cable.

◆ Repair the semi-conducting layer beneath metallic shield of similar cables in case of damage

◆ Make conductive portion of stress cone of power cable termination on solid dielectric insulated cables.

Test Parameters

No.	Test Item	Result	Test Method
1	Color	Black
2	Thickness	0.76mm	ASTM D4325
3	Tensile Strength	＞1.73MPa	ASTM D4325
4	Elongation at Break	＞935%	ASTM D4325
5	Water absorption	0.19%	ASTM D570-98
6	Volume resistivity	＜7x10⁶Ώ.cm	ASTM-D4325
7	Heat ageing(130℃ 168H)	Pass	ASTM D4325
8	UV ageing	Pass	ASTM D4325
9	Xenon ageing	Pass	ISO 4892-2

Installation

Cotran Brand KC72 electrical semi-conducting tape is usually wrapped in half-lapped layers. With excellent elongation, stretched overwrapping the connectors, terminals, and metallic shield of power cable.

Step 1 Wipe off the dusts on the power cable area before wrapping.

Step 2 Remove the liner and stretch the tape to 1 to 2 times of its original length, apply the tape in 50%-lapped toward area to the wrapped. Stretching the tape to 4 times of its original length is not recommended.

Step 3 Overwrapping the electrical semi-conducting tape on the power cable on the needed area.

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AS397 (GL-412)

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