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Heat Shrinkable Tube/ Heat Shrink Sleeves

Oil Barrier Sleeves - INSULTUBE -oil Barrier

Insultube Oil barrier sleeves is applied to PILC Cables for preventing the cable oil from dripping out and increasing the insulation up to 36 kV. These tubes are made from high quality cross linked polyolefin material.

SELECTION CHART

All dimensions in mm

  • Code
  • D Min.
  • d Max.
  • T±10%
  •  
  • (mm)
  • (mm)
  • (mm)
  • GOBT 30/10
  • 30
  • 10
  • 2.5
  • GOBT 40/12
  • 40
  • 12
  • 2.5
  • GOBT 50/16
  • 50
  • 16
  • 2.5
  • GOBT 75/22
  • 75
  • 22
  • 2.5
  • GOBT 90/26
  • 90
  • 26
  • 2.5
  • GOBT 115/34
  • 115
  • 34
  • 3.0
TECHNICAL SPECIFICATION
  • PROPERTIES
  • VALUE
  • STANDARD
  • Physical
  •  
  •  
  • Tensile Strength
  • 12 N/mm2
  • ASTM D638
  • Ultimate Elongation
  • 300% (Min.)
  • ASTM D638
  • Longitudinal Change
  • -10% (Max.)
  • ASTM D2671
  • Hardness
  • 45 ± 10 Shore D
  • ASTM D2240
  • Water Absorption
  • 0.5 % (max.)
  • ASTM D570
  • Thermal
  •  
  •  
  • Accelerated Ageing
  • (120°C for 500 Hrs)
  • ASTM D2671
  • Tensile Strength
  • 11 N/mm2 (Mpa) (min.)
  • ASTM D 638
  • Ultimate Elongation
  • 300 % (Min.)
  • ASTM D 638
  • Low temperature Flexibility (-40oC for 4 Hrs.)
  • No Cracking
  • ASTM D2671
  • Heat Shock (250oC for 30 Min.)
  • No Cracking or flowing
  • ESI 09-11
  • Shrink Temperature
  • >125°C
  • IEC 216
  • Continuous Temperature limit
  • -40°C to + 110°C
  • IEC 216
  • Electrical
  •  
  •  
  • Dielectric Strength
  • 12 KV/mm. (Min.)
  • ASTM D149
  • Volume Resistivity
  • 1 x 1014 Ohm.cm(max..)
  • ASTM D257
  • Dielectric Constant
  • 5 (Max.)
  • ASTM D150
  • Chemical
  •  
  •  
  • Fungus Resistance
  • less than 1
  • ASTM G-21
  • Salt Spray test
  • No pitting / no corrosion
  • ASTM B-17
  • Chemical Resistance
  • Good
  •  
  • immersion in following liquids
  • no visual defects
  •  
  • NaoH (40%), H2so4 (3%)
  •  
  •  
  • Toluence, Acetone for 24 hours
  •  
  •  
  • at room temp.
  •  
  •  

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