Heat Shrinkable Triple Layer Tubing

Heat Shrinkable Triple Layer Tubing

  1. Inner layer is made from elastomeric material.
  2. The medium layer is made from insulation material to provide higher insulation.
  3. External layer is made from semi-conductive materials to provide electric shielding.
  4. Suitable for applications in power cable joints up to 36kV.
  5. Minimum fully recovered temperature : 130°C.

Specifications

Dimension Chart for Heat Shrink Triple Layer Tubing

CodeAs Supplied 
ø D1 (max.)
After Recovered 
ø D2 (max.)
T (min.) After Fully Recovered
12 kV24 kV36 kV
AYDTWT - 35/1335136.6911
AYDTWT - 45/1745177.1912
AYDTWT - 50/2150217.5912
AYDTWT - 63/2663267.99.513
AYDTWT - 75/3475347.99.513
AYDTWT - 85/3485347.99.513
AYDTWT - 95/4295427.91013
AYDTWT - 110/52110527.91013
AYDTWT - 125/62125627.91013

Note: All dimensions are in mm

Specifications
Technical Data (Inner Elastomeric Layer)
PropertyRequirementsTest Method
Tensile strength10 N/mm 2 (min.)ASTM D 2671
Elongation at break200% (min.)ASTM D 2671
Water absorption0.5% (max.)ISO 62
Volume resistance10 9 Ωcm (min.)IEC 93
Technical Data (Medium Insulation Layer)
PropertyRequirementsTest Method
Tensile strength10 N/mm 2 (min.)ASTM D 2671
Elongation at break200% (min.)ASTM D 2671
Water absorption0.5% (max.)ISO 62
Volume resistance10 12 Ωcm (min.)IEC 93
Dielectric Strength10 kV/mm (min.)IEC 243
Technical Data (Inner Elastomeric Layer)
PropertyRequirementsTest Method
Tensile strength7 N/mm 2 (min.)ASTM D 638
Elongation at break200% (min.)ASTM D 638
Water absorption0.5% (max.)ISO 62
Volume resistance10 4 Ωcm (min.)IEC 93

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