Busbar insulation tubes, Heat Shrinkable ProductsCable End Sealing Caps, Cable End Caps Busbar Tubes, Cable Breakouts, heat shrink molded shapes, dip molded components Power cable accessories, Switchgear insulation products, Heat Shrink Tubings

Heat Shrinkable Tubes/Heat Shrink Sleeves

HEAT SHRINK CO-EXTRUDED TUBING PREMIUM QUALITY
Low Voltage Tubes, Heat Shrink Tubes, Insultube

GMWR and GHWR are Heat Shrink Co-extruded premium quality medium wall and heavy wall tubing.

This tubes are used as waterproof sealing in cable termination and joints. It is used for corrosion protection, environmental sealing and mechanical protection of pipes and pipe connections. It is also used for insulating underground & aerial connections in CATV plant, CCTV connections and in control cables splicing joints.

Heat Shrinkable tubes, Heat Shrink Tubes, Insultube
Heat Shrink, Heat Shrink Tubings, Insultube

Technical Qualification Report : QR 1014

GENERAL PROPERTIES :
  • High shrink ratio.
  • Co-extrusion technology.
  • Soft & flexible.
  • Fast & uniform shrinking.
  • High resistant to decay , chemicals, copper corrosion & UV rays.
  • Tubing with hot melt adhesive lining provides excellent waterproofing and environmental sealing.
  • Standard color Black. Other colors available upon request.
SELECTION CHART

All dimensions are in mm

  • Code
  • D Min (mm)
  • d Max (mm)
  • T±10 (mm)
  • GMWR 12/3
  • 12
  • 3
  • 1.5
  • GMWR 12/6
  • 12
  • 6
  • 2.0
  • GMWR 27/8
  • 27
  • 8
  • 2.5
  • GMWR 33/10
  • 33
  • 10
  • 2.5
  • GMWR 40/12
  • 40
  • 12
  • 2.5
  • GMWR 50/16
  • 50
  • 16
  • 2.5
  • GMWR 63/19
  • 63
  • 19
  • 2.5
  • GMWR 72/22
  • 72
  • 22
  • 2.5
  • GMWR 92/27
  • 92
  • 27
  • 3.0
  • GMWR 130/36
  • 130
  • 36
  • 3.0
  • Code
  • D Min (mm)
  • d Max (mm)
  • T±10 (mm)
  • GHWR 12/3
  • 12
  • 3
  • 2.2
  • GMWR 22/6
  • 22
  • 6
  • 2.5
  • GHWR 30/8
  • 30
  • 8
  • 3.0
  • GHWR 43/12
  • 43
  • 12
  • 4.0
  • GHWR 51/16
  • 51
  • 16
  • 4.0
  • GHWR 72/22
  • 72
  • 22
  • 4.0
  • GHWR 85/25
  • 85
  • 25
  • 4.0
  • GHWR 105/30
  • 105
  • 30
  • 4.0
  • GHWR 120/36
  • 120
  • 36
  • 4.0
  • GHWR 140/42
  • 140
  • 42
  • 4.2
TECHNICAL SPECIFICATION
Properties Value Standard
Physical    
Tensile Strength 9 N/mm2 (MPA)(min.) ASTM D638
Ultimate Elongation 300 % (min.) ASTM D638
Water absorption 0.15 % (max.) ASTM D570
Specific Gravity 1.4 ASTM D792
Longitudinal Change -10 % (max.) ASTM D638
Thermal    
Operating Temp. (Outer Wall) -55 to +125oC IEC 216
Heat Shock (250oC for 4 hrs.) No dripping, cracking or flowing (Outer Wall)
Chemical    
Fungus Resistance Inert MIL-1-7444
Copper Corrosion Good ASTM D2671B
Chemical Resistance Good ASTM D2671
Electrical    
Dielectric Strength 15 KV/mm. (Min.) ASTM D2671
Dielectric Constant 3.0 (Max.) ASTM D150
Volume Resistivity 1 x 1013 Ohm.cm(min.) ASTM D257

Products

Heat Shrinkable Joints & Terminations

Insulation Enhancement Product

Screened Separable Connectors

Heat Shrinkable Moulded Shapes

Heat Shrink Tubes / Heat Shrink Sleeves

Switchgear Insulation Products

Cable Sealing & Repair Products

Silicone Overhead Line Cover

Polyolefin Overhead Line Cover (Insulcover)

Overhead Line Tube (Insulcover)

Pipeline / Corrosion / Cathodic Protection Products

Pole Protection Products

Wire Harness Products

New Products

Miscellaneous