Scotch 70

Scotch 70

Scotch® 70 Self-Fusing
Silicone Rubber Electrical Tape

Scotch Brand 70 Silicone Rubber Electrical Tape is a high temperature arc-and track-resistant tape composed of self-fusing, inorganic silicone rubber and easy-tear and easy-strip liner.

Tape Features

  •  Excellent track resistance.
  •  Excellent arc resistance.
  •  Excellent ozone resistance.
  •  High dielectric strength.
  •  Class “H” material (180°C continuous operation).
  •  Workable in extremely low temperatures.
  •  Excellent conformability.
  •  Excellent instantaneous fusion; does not need to be

    held down.

  •  Matches Sky Blue Grey Munsell 5BG7.0/0.4.
  •  Excellent weathering characteristics.
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Description

Scotch Brand 70 Silicone Rubber Electrical Tape is a high temperature arc-and track-resistant tape composed of self-fusing, inorganic silicone rubber and easy-tear and easy-strip liner.

 

APPLICATION

  •  As an Over-wrap for protection of terminating high-voltage cables against arcing and tracking. High-voltage cables with these insulations should be Over-wrapped:

    Butyl rubber
    Oil-base rubber
    Ethylene propylene rubber
    PVC
    Low and high-density polyethylene cross-linked.

  •  As primary insulation where Class “H” (180°C/356°F) temperatures are encountered ie. silicone rubber cables.

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The insulating tape must be composed of a self-fusing, inorganic silicone rubber with easy-tearing and easy- stripping polyester liner. The product must be Sky Blue Grey and conform to Munsell Colour No. 5BG7.0/0.4.

The tape must be capable of operating continuously at Class H temperatures (180°C/356°F). The tape must be compatible with all synthetic cable insulations as well as cable splicing compounds.

Engineering/Architectural Specifications

All tape or tape-like terminations, which will be operated either outdoors or in areas subjected to contamination or moisture, shall be Over-wrapped with at least one layer of Scotch 70 Silicone Rubber Electrical Tape. The exposed cable insulation on the lug side of assembled stress cone kits, which will be operated either outdoors or in areas subject to contamination or moisture, shall be Over-wrapped with at least one layer of Scotch 70 Silicone Rubber Electrical Tape. All splices on silicone rubber cables or other cables which can operate at temperatures in excess of 130°C/266°F, but not exceeding 180°C/356°F, shall use Scotch 70 Silicone Rubber Electrical Tape as the primary insulating material.