KC80-S Cable Insulation Sealing Protective Pad

KC80-S cable insulation sealing protective pad is a self-adhesive sheet made of EPR rubber and butyl mastic, which has excellent weather resistance, wear resistance, insulation, waterproof and other properties. It is mainly used for the repair of cable outer sheath, the coating of power fittings, insulation protection and other scenarios. It provides excellent waterpoofing performance and temperature stability. Operating temperature rated to 90°C. Emergency overload rating to 130°C.

Product Features

  • Insulation protection , wear resistance and waterproof sealing
  • Weathering and corrosion resistance
  • Self-adhesive to form a reliable seal for long-term operation
  • Ozone resistant
  • UV resistant
  • Operating temperature: -20-40℃

Technical Properties


Typical value

Test method


Thickness4.30mm       EPR: 1.30mm; Mastic: 3.00mm

ASTM D 1000

Tensile strength


ASTM D 412

Elongation at break


ASTM D 412

Thermal aging test (110 /168h)


IEC 60811

Tracking and erosion resistance

2.75kV, ≥1hpass

IEC 60587 Test Method 2 Standard A     

AC withstand voltage test

35kV, 60sNo breakdown

IEC 60060-1

AC withstand voltage test

25kV, 5minNo breakdown

IEC 60060-1

Volumetric resistivity


IEC 60250

UV resistance



Heat Exposure (130°C, 1h)


ASTM D 4388


400mm x210mm, 140mm x210mm

*Other sizes and packing are available on requested.

Shelf life and Storage

KC80-S cable insulation sealing protective pad has 3 year's shelf life from date of manufacture when stored in a humidity controlled storage (0 °C to 30 °C and <75% relative humidity).

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Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.