Heat Shrinkable Tubes,Heat Shrink Tubes,Heat Shrink Tubings,India, Insultube Heat Shrinkable Tubes,Insultube, Low voltage tubes,India
Heat Shrink Tubing, Low voltage tubes, India Heat Shrink Tubes,Busbar tubes, India
Heat Shrink Tubings, Heat Shrink Tubes, Heat Shrink, Insultube
  Low Voltage Tubes - INSULTUBE Commercial
  Low Voltage Tubes, Heat Shrink Tubes, Insultube
 
 
Heat Shrink Low Voltage Tubing GMW and GHW are medium wall and heavy wall black tubing. GMW tubes are used for environmental protection of low voltage cable termination and insulating the connectors for low voltage straight through joints/splice rated upto 1.1KV. GHW tubes are used for mechanical protection and outer sealing of underground straight through cable joints / splice upto 36KV.

  • These tubes are manufactured from high quality cross inked polyolefin material.
  • Optional hot melt adhesive lining for complete environmental protection and insulation.
  • Excellent resistance to weathering, UV rays, chemical and solvents.
  • Maximum cut length available upto 1500 mm.
  • Custom dimensions, thickness, length & colours available on request.
  • Conforms to IEC 60684-3-247 standard.
  • Meets IP 68 (Ingress Protection)
    		•
     
    Heat Shrink, Heat Shrink Tubings, Insultube

    Heat Shrinkable tubes, Heat Shrink Tubes, Insultube
    Technical Qualification Report : QR 1013
    SELECTION CHART
      All dimensions in mm  
     
    Code

    D Min
    (mm)

    d Max
     (mm)

    		 T±10
    (mm)
    GMW 10/3 10 3 1.0
    GMW 12/4 12 4 1.8
    GMW 19/6 19 6 2.0
    GMW 27/8 27 8 2.5
    GMW 33/10 33 10 2.5
    GMW 40/12 40 12 2.5
    GMW 50/16 50 16 2.6
    GMW 70/22 70 22 2.7
    GMW 90/28 90 28 3.0
    GMW 115/34 115 34 3.0
    GMW 130/36 130 36 3.0
    GMW 140/42 140 42 3.0
    GMW 160/50 160 50 3.0
    GMW 180/60 180 60 3.0
    GMW 200/70 200 70 3.3
    Code

    D Min
    (mm)

    d Max
     (mm)

    		 T±10%
    (mm)
    GHW 12/3 12 3 2.4
    GHW 19/6 19 6 2.5
    GHW 30/8 30 8 3.0
    GHW 43/12 43 12 4.0
    GHW 51/16 51 16 4.0
    GHW 72/22 72 22 4.0
    GHW 85/25 85 25 4.0
    GHW 105/30 105 30 4.0
    GHW 120/36 120 36 4.0
    GHW 140/42 140 42 4.2
    GHW 160/50 160 50 4.3
    GHW 180/55 180 55 4.3
    GHW 200/65 200 65 4.3
      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
    Density 1.15 ±  0.2 gm/cm³ ASTM D792 
    Hardness 45 ± 10 Shore D ASTM D2240
    Water Absorption 0.5 % (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 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(min.) ASTM D257
    Dielectric Constant 5 (Max.) ASTM D150

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