High Voltage Rubber Splicing Tape

High Voltage Rubber Splicing Tape

Item No.: WT-RT-23
Size: 19mmx0.76mmx9.1m, 25mmx0.76mmx9.1m, 38mmx0.76mmx9.1m
Material: EPR

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Product Details



WT-RT-23 is a self-amalgamating ethylene propylene rubber (EPR) tape, also called high voltage insulation tape or splicing tape, used on solid dielectric cable for electrical insulation and jacketing in splices up to 69KV and for building stress cones in terminations up to 35KV. The tape comes with a separator that is removed during the taping process. Its 0.76mm thickness and quick amalgamation facilitates a rapid, void free insulation build-up that is electrically stable and moisture proof. WT-RT-23 is suitable for use with conductors rated at 90℃ with an emergency overload rating of 130℃. The tape is also resistant to corrosion, chemical and ultra violet light.


·     Electrical insulation and jacketing in splices of solid dielectric cable up to 69KV.

·     Building stress cones in terminations of solid dielectric cable up to 35KV.

·     Jacketing of indoor terminations.

·     Bus bar insulation and corrosion protection.

·     Jacket repair and restoration in ally types of cable.

·     Moisture sealing application.





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PropertyValueTest Method
Thickness 0.76mmASTM D 4325
Tensile strength>2.8MPaASTM D 4325
Elongation at break>880%ASTM D 4325
FusionPassASTM D 4388
Operating Temp - continuous90℃ASTM D 4388
Operating Temp - emergency overload130℃ASTM D 4388
Dielectric Strength (KV/mm)38.3ASTM D 4325
Dielectric   constantAfter water immersion 24h@23℃3ASTM D 4325
After hot water immersion 24h@70℃3.11ASTM D 4325
Dissipation   FactorAfter water immersion 24h@23℃0.0398ASTM D 4325
After hot water immersion 24h@70℃0.0314ASTM D 4325
Volume   resistivity96h@23℃, 50%RH1 X 1016 Ω.CMASTM D 4325
96h@23℃, 96%RH1 X 1016 Ω.CMASTM D 4325
Water absorption0.13%ASTM D 4325
Copper corrosionPassASTM D 69-06
Ozone resistance PassASTM D 4388
UV resistancePassASTM D 4388
Heat exposurePass at 130℃ASTM D 4388
Xenon-arc exposure @1008hPassASTM D 4388

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