Low Voltage Tubes

 
  • Cross linked polyolefin material
  • Excellent physical & electrical properties
  • weather proof and good UV resistence.
  • Excellent adhesion to platic & metal
  • Flame retardant
  • Unlimited shelf life
  • Excellent chemical resistance
  • Compliance with ESI 09-11 standard
TECHNICAL SPECIFICATION 

Properties

Value

 Standard

Physical

    
  Tensile Strength   12 N/mm2 (MPA)   ASTM D638
  Ultimate Elongation   350% (Min.)   ASTM D638
  Density   1.05 +/-  0.2 gm/cm3   ASTM D792
  Hardness   45 +/- 10 Shore D   ASTM D2240
  Water Absorption   0.2 % (max.)   ASTM D570

Thermal 

    
  Accelerated Ageing
  Tensile Strength
  Ultimate Elongation		   (120oC for 500 Hrs)
  11 N/mm2 (Mpa) (min.)
  300 % (Min.)		   ASTM D2671
  ASTM D 638
  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   125oC   IEC 216
  Continuous Temperature limit   -40oC to  + 100oC   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

 

Medium Wall Tubing

Suitable for protection of LV termination and insulation purpose of LV connectors for straight through joints.

  • available with and without adhesive

  • Standard length 1000mm and 1200mm

  • standard colour black.

Code

D Min
(mm)

D Max
  (mm)

          T
      (mm)
GMW 10/4 10 4 1.5
GMW 16/6 16 6 2.0
GMW 27/8 27 8 2.0
GMW 30/12 30 12 2.0
GMW 40/16 40 16 2.5
GMW 50/20 50 20 2.5
GMW 70/22 70 22 2.5
GMW 100/28 100 28 2.5
GMW 120/38 120 38 3.0
GMW 140/42 140 42 3.0
GMW 160/50 160 50 3.0

Heavy Wall Tubing

Suitable for mechanical protection  and outer sealing of heat shrinkable underground straight through joints upto 36 KV.

Also suitable for insulation of connectors for LV Joints

  • Available with and without adhesive

  • Standard length 1000mm and 1200mm

  • Standard colour black.

Code

D Min
(mm)

D Max
  (mm)

T    (mm)
GHW 10/4 10 4 2.0
GHW 16/6 16 6 2.5
GHW 27/8 27 8 2.5
GHW 30/12 30 12 4.1
GHW 40/16 40 16 4.1
GHW 50/20 50 20 4.1
GHW 70/22 70 22 4.1
GHW 100/28 100 28 4.1
GHW 120/38 120 38 4.3
GHW 140/42 140 42 4.3
GHW 160/50 160 50 4.5