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Make Durable Repairs with 3M Electrical Tapes

  • At industrial facilities, cable insulation degrades from constant UV exposure, electrical overloading, or excessive heating. When onsite repairs are needed, use PVC, rubber, and mastic electrical tapes from 3M to restore insulation and protect wires and cables from further damage.

    Unlike ordinary electrical tape, 3M electrical tapes are built to make long-lasting repairs on industrial cables. Each tape has fast-acting adhesion that forms an impermeable seal over tears in the insulation or cable jacket. Once repaired cables are fully operational, 3M electrical tapes hold strong without melting or cracking.

    Discover which tape materials from 3M to use for electric wire and cable repairs.

Electrical Repairs

Materials

3M Electrical Tape Solution

Low-voltage insulation

Rubber tape
+
PVC tape

Medium-voltage cable jackets

Rubber tape
+
PVC tape

Mastic tape
+
PVC tapeC


Repairing Low-Voltage Insulation

Use a combination of 3M rubber electrical tape and 3M PVC electrical tape to repair damage on low voltage insulation. Rubber self-fuses into a tight seal over gaps in the insulation, protecting the core from moisture or chemicals. Wrap over the rubber with a premium-grade vinyl tape for additional insulation and abrasion resistance.

  • Scotch Rubber Splicing Tape 23
    • Scotch®  23 is a strong self-fusing tape that can be used to seal damaged low-voltage insulators.
    • Use as the primary insulation for low-to-medium-voltage cables up to 69kV.
  • Scotch Super 33+ Vinyl Electrical Tape
    • 7 mil thickness  
    • Scotch®  Super  33+  creates fast, reliable insulation and mechanical protection.
    • Use to repair small cuts on the insulating layer, and as a protective outer wrapping for rubber.

Maintaining Medium-Voltage Insulation

When medium-voltage cable jackets are torn or punctured, you can rebuild the insulating layer by combining 3M rubber, mastic, and PVC electrical tapes.
  • Insulate with rubber tape

  • Scotch Rubber Splicing Tape 23
    • Scotch®  23 is a strong self-fusing tape that’s highly resistant to cracking or splitting.
    • Use as the primary insulation for medium-voltage cables up to 69kV.
  • Pad and seal with mastic tape

  • Scotch Rubber Mastic Tape 2228
    • Scotch®  2228 is a highly conformable mastic tape with excellent adhesion and sealing characteristics.
    • Use to provide padding and moisture resistance over repaired cable insulation.
  • Protect with PVC tape

  • Scotch® Super 88 Vinyl Electrical Tape
    • 8.5 mil thickness.
    • Scotch® Super 88 is designed for industrial applications that require greater mechanical strength and abrasion resistance.
    • Use as the final layer to give the repaired jacket a strong puncture-resistant seal.

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