Heat Shrinkable Tubes/Heat Shrink Sleeves 
Red Insulation Tubes - INSULTUBE red
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 30/8
- 30
- 8
- 2.6
- GRT 33/10
- 33
- 10
- 2.6
- GRT 40/12
- 40
- 12
- 2.7
- GRT 50/16
- 50
- 16
- 2.7
- GRT 70/22
- 70
- 22
- 2.7
- GRT 95/25
- 95
- 25
- 3.0
- GRT 105/30
- 105
- 30
- 3.0
- GRT 115/34
- 115
- 34
- 3.2
- GRT 130/36
- 130
- 36
- 3.2
SELECTION CHART (Heavy Wall)
- Code
- D Min (mm)
- d Max (mm)
- T±10% (mm)
- GRT(HW) 30/8
- 30
- 8
- 3.0
- GRT(HW) 33/10
- 33
- 10
- 3.0
- GRT(HW) 40/12
- 40
- 12
- 4.0
- GRT(HW) 50/16
- 50
- 16
- 4.0
- GRT(HW) 70/22
- 70
- 22
- 4.0
- GRT(HW) 95/25
- 95
- 25
- 4.0
- GRT(HW) 105/30
- 105
- 30
- 4.0
- GRT(HW) 115/34
- 115
- 34
- 4.0
- GRT(HW) 130/36
- 130
- 36
- 4.0
SELECTION CHART (Extra Heavy Wall)
- Code
- D Min (mm)
- d Max (mm)
- T±10% (mm)
- GRT(EHW) 50/16
- 50
- 16
- 6.2
- GRT(EHW) 70/22
- 70
- 22
- 6.2
- GRT(EHW) 95/25
- 95
- 25
- 6.2
- GRT(EHW) 105/30
- 105
- 30
- 6.2
- GRT(EHW) 115/34
- 115
- 34
- 6.2
- GRT(EHW) 130/36
- 130
- 36
- 6.2
D,d : Internal Diameter
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
Products
Heat Shrinkable Moulded Shapes
Heat Shrink Tubes / Heat Shrink Sleeves
- Advantages Of Heat shrink Tubing
- Thin Wall Tubes
- GDW : Dual Wall Tubing
- Medium/Heavy Wall Tubes-Commercial
- Heat Shrink Co-extruded Tubing Premium Quality
- Red Insulation Tubes
- Non Tracking Tubes
- Busbar Sleeves
- Stress Control Tube
- Integrated Stress Control Tube-GVOT Tube
- Heat Shrink Double Layer Tube-GDTL Tube
Switchgear Insulation Products
- Barrier Board Sheet
- End Sealing Kit for Extensible RMU/GIS Bushing
- Heat Shrink Bus Bar Sleeve
- Bus Bar Insulating Shrouds
- Bus Bar Insulating Shrouds Polyolefin
- Bus Bar End Caps
- Thin wall tube wire marking
- Heat Shrink Tape (Bustape)
- Insulation for Circuit Breakers
- Busbar Sleeve for 66 kV
- Bushing Boot
- Non Shrinkable High Voltage Tape
- Heat Shrinkable Gland
