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Semi-Conductive Tape

Scapa Semi-Conducting tapes perform electrical functions within a cable. Their primary function is to equalise the field current around the conductor or core and to ensure electrical contact with the earthing system. This reduces the electrical stress on the insulation material and enhances performance. They can also be used to prevent electrolytic corrosion of metallic armour layers.

Our range of semi-conducting tapes offer excellent solutions for both core and conductor screening. They prevent extrudate penetration of the conductor wires, and with high tensile strength and abrasion resistance, help to prevent ‘birdcaging’ through strong binding properties. The range also incorporates tapes which have first class bedding characteristics, and are available in a plain or printed format.

All of these tapes are free from halogens and sulphur to improve fire safety and prevent copper staining.

Key Features & Benefits

  • High electrical conductance.
  • Robust, abrasion resistant construction to withstand the cable making process.
  • Good long term temperature stability (90°C operating temperature, 130°C short term during fault loads).
  • Conformable to ensure good contact with the conductor or core.
  • High tensile strength and tear resistance to allow high speed lapping and for binding cores together.
  • Good temperature stability to withstand oversheathing.
  • Good penetration resistance to prevent strike-through of the insulation or extruded semi-conductive layers.
  • Can be printed for core identification.

 

For more information on our Cable solutions, please visit our cable section.

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