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Dual Wall ( Double Layer ) Tubing

DESCRIPTIONS

Compaq double layer heat shrinkable tubing. The inner layer is made from insulation material to provide high insulation and the external layer is made from semi-conductive materials to provide electric shielding. The tubing is manufactured with technology very suitable for applications in power cable joints up to 36kV.

SALIENT FEATURES

  • Two Layer
  • Semi- conductive
  • Operating temperature : -45oC to +100oC
  • Minimum shrink temperature : 100oC
  • Full Recovery Temperature : 130oC
  • Standard color : Black

TECHNICAL DATA (for Inner Layer)

Property Requirements Test Method
Tensile Strength 8 N/mm2 (min.) ASTM D2671
Elongation at Break 200% min ASTM D2671
Water absorption 0.5% (max.) ISO 62
Volume resistance 1012 Ω cm (min.) IEC 93
Dielectric strength 10 kV/mm (min.) IEC 243

TECHNICAL DATA (for Outer Layer)

Property Requirements Test Method
Tensile Strength 8 N/mm2 (min.) ASTM D638
Elongation at Break 200% min ASTM D638
Water absorption 0.5% (max.) ISO 62
Volume resistance 1012 Ω cm (min.) IEC 93

DIMENSION CHART

Code D1 (max. in mm) D2 (min. in mm) T (min. in mm)
CDWT - 35/12 35 12 6.0
CDWT - 45/15 45 15 6.0
CDWT - 55/18 55 18 6.0
CDWT - 65/25 65 25 6.5
CDWT - 85/30 85 30 6.5
CDWT - 100/38 100 38 6.5
CDWT - 120/45 120 45 7.0
CDWT - 140/50 140 50 7.0