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Cable Breakouts, Heat Shrink Moulded Shapes, Anti Tracking Tubes

Heat Shrinkable Tubes/Heat Shrink Sleeves Heat Shrink Tubes, Insultube

Red Insulation Tubes - INSULTUBE red
Heat Shrink, Heat Shrink Tubes

Insultube - Red is used in Power Cable Joints for MV Applications.

These tubes are manufactured from high quality cross linked polyolefin material.

Excellent Di-electric properties.

Conforms to IEC 60684-3-247 standard.

Halogen free, ROHS compliant.

Customised dimensions, thickness, length & colours available on request.

SELECTION CHART
  • Code
  • D Min (mm)
  • d Max (mm)
  • T±10% (mm)
  • GRT 34/10
  • 34
  • 10
  • 3.0
  • GRT 46/13
  • 46
  • 13
  • 3.5
  • GRT 54/16
  • 54
  • 16
  • 4.0
  • GRT 60/18
  • 60
  • 18
  • 4.0
  • GRT 68/20
  • 68
  • 20
  • 4.2
  • GRT 75/25
  • 75
  • 25
  • 4.5
  • GRT 85/28
  • 85
  • 28
  • 5.1
  • GRT 95/30
  • 95
  • 30
  • 5.3

D,d : Internal Diameter

Selection Chart (Heavy Wall)
  • Code
  • D Min (mm)
  • d Max (mm)
  • T±10% (mm)
  • Length max. (mtr)
  • GRT(HW) 25/8
  • 25
  • 8
  • 5
  • 1.5
  • GRT(HW) 35/12
  • 35
  • 12
  • 5
  • 1.5
  • GRT(HW) 55/18
  • 55
  • 18
  • 5
  • 1.5
  • GRT(HW) 65/25
  • 65
  • 25
  • 5
  • 1.5
  • GRT(HW) 85/30
  • 85
  • 30
  • 5
  • 1.5
  • GRT(HW) 100/38
  • 100
  • 38
  • 5
  • 1.5
  • GRT(HW) 120/45
  • 120
  • 45
  • 5
  • 1.5
  • GRT(HW) 140/50
  • 140
  • 50
  • 5
  • 1.5
Selection Chart (Extra Heavy Wall)
  • Code
  • D Min (mm)
  • d Max (mm)
  • T±10% (mm)
  • Length max. (mtr)
  • GRT(EHW) 35/12
  • 35
  • 12
  • 7
  • 1.5
  • GRT(EHW) 55/18
  • 55
  • 18
  • 7
  • 1.5
  • GRT(EHW) 65/25
  • 65
  • 25
  • 7
  • 1.5
  • GRT(EHW) 85/30
  • 85
  • 30
  • 7
  • 1.5
  • GRT(EHW) 100/38
  • 100
  • 38
  • 7
  • 1.5
  • GRT(EHW) 120/45
  • 120
  • 45
  • 7
  • 1.5

D ,d : internal diameter ;T : Thickness

TECHNICAL SPECIFICATION
  • Properties
  • Value
  • Standard
  • Physical
  •  
  •  
  • Tensile Strength
  • 12 N/mm2 (MPA)(min.)
  • ASTM D638
  • Ultimate Elongation
  • 350% (Min.)
  • ASTM D638
  • Longitudinal Change
  • -10% (Max.)
  • ASTM D2671
  • Hardness
  • 45 ± 10 Shore D
  • ASTM D2240
  • Water Absorption
  • 0.2 % (max.)
  • ASTM D570
  • Thermal
  •  
  •  
  • Accelerated Ageing
  • (120oC for 500 Hrs)
  • ASTM D2671
  • Tensile Strength
  • 11 N/mm2 (Mpa) (min.)
  • ASTM D 638
  • Ultimate Elongation
  • 300%(Min.)
  • ASTM D638
  • Low temperature Flexibility (-40oC for 4 Hrs.)
  • No Cracking
  • ASTM D2671
  • Heat Shock (250oC for 30 Min.)
  • No Cracking or flowing
  • ASTM D2671
  • Shrink Temperature
  • 125oC
  • IEC 216
  • Continuous Temperature limit
  • -40oC to + 110oC
  •  
  • Electrical
  •  
  •  
  • Dielectric Strength
  • 12 KV/mm. (Min.)
  • ASTM D149
  • Volume Resistivity
  • 1 x 1014 Ohm.cm(min.)
  • ASTM D257
  • Dielectric Constant
  • 5 (Max.)
  • ASTM D150
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