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Heat Shrinkable Dual Wall Tubing

Features
  • Suitable for applications in power cable joints up to 36 KV
  • The external layer (Black Colour) is made from semi-conductive material for electric shielding
  • The inner layer (Red Colour) is made from insulated material for good insulation
  • Suitable for applications up to 36 KV
  • Minimum shrink temperature: 110°C
  • Minimum fully recovered temperature: 130°C
ORDERING REFERENCE
Code Expanded Recovered W
DDWT - 45/15 45 15 6.0
DDWT - 55/18 55 18 6.0
DDWT - 73/26 73 26 6.5
DDWT - 85/30 85 30 6.5
DDWT - 95/34 95 34 6.5
Technical Data (For external layer)
Property Requirements Test Method
Tensile strength 8 N/mm2 (min.) ASTM D 638
Elongation at break 200% (min.) ASTM D 638
Water absorption 0.5% (max.) ISO 62
Volume resistance 104 Ω·cm (max.) IEC 93
Technical Data (For internal layer)
Property Requirements Test Method
Tensile strength 8 N/mm2 (min.) ASTM D 2671
Elongation at break 200% (min.) ASTM D 2671
Water absorption 0.5% (max.) ISO 62
Volume resistance 1012 Ω·cm (min.) IEC 93
Dielectric strength 10 KV/mm (min.) IEC 243

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