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Underground Insulation Tube

The produc has excellent electrical insulation properties, is widely used in the recovery of the main insulation layer of 36 kV and below power cables joints, and other places where require insulation.

Features.-

  • Material: polyolefin, cross linked polymeric inner.
  • Operating temperature: -45 oC ~ 105 oC.
  • Shrink temperature: start at 100 oC and shrink totally at 130 oC.
  • Standard color: red.

Dimensions
Part No. Diameter (mm) recovered wall
thickness Nom. (mm)		 standard lenght (mm)
As supplied
Min. (mm)		 After recovery
Max. (mm)
WRSHJG-30/12 30 12 3.7 500 - 850
WRSHJG-35/14 35 14 4.0 500 - 850
WRSHJG-40/17 40 17 4.0 500 - 850
WRSHJG-45/18 45 18 4.0 500 - 850
WRSHJG-50/22 50 22 4.0 500 - 850
WRSHJG-55/25 55 25 4.0 500 - 850
WRSHJG-55/22 55 22 5.5 500 - 850
WRSHJG-60/25 60 25 6.0 500 - 850
WRSHJG-65/26 65 26 6.0 500 - 850
WRSHJG-70/29 70 29 6.0 500 - 850
WRSHJG-80/35 80 35 6.0 500 - 850
WRSHJG-85/36 85 36 6.0 500 - 850
WRSHJG-90/38 90 38 6.0 500 - 850
WRSHJG-100/42 100 42 6.0 500 - 850

 

Technical Data
Property Test Method Standard Value
Operating temperature IEC 216 - 45 oC to + 105 oC
Tensile strength ASTM-D 2671 ≥ 12 MPa
Elongation at break ASTM-D 2671 ≥ 300%
Tensile strength after aging ASTM-D 2671/130 oC, 168 hrs ≥ 10 MPa
Elongation at break after aging ASTM-D 2671/130 oC, 168 hrs ≥ 250%
Dielectric strength IEC 243 ≥ 25 kV/mm
Volume resistance ASTM-D 2303 ≥ 1x1015 Ω.cm
Dielectric constant IEC 250 3.0
Longitudinal shrinkage - ≤ 10%
Eccentricity ASTM-D 2671 ≤ 30%
Water absorption ISO 62 ≤ 0.1%
Copper corrosion ASTM-D 2671 120 oC, 168 hr, no corrosion
Cold bend ASTM-D 2671 - 40 oC, 4 hr, no cracking

 


  • Model: WRSHJG
Your IP Address is: 3.22.77.196
ICTEA