Anti‑tracking MV Joints & Terminations -55°C to 105°C

WRSJG Heat Shrinkable Anti‑tracking Insulation Tube

Heat shrink non‑tracking tubes are used in medium voltage cable joints and terminations up to 36kV. Produced from high quality cross‑linked polyolefin material offering exceptional insulation and long‑term service reliability. Ends are inner coated with adhesive for secure sealing.

Material: polyolefin, inner adhesive on ends

Operating temperature: -55°C to 105°C

Shrink: starts at 100°C, fully at 130°C

Standard color: red

Excellent tracking resistance (ASTM D2303)

Dimensions & Packaging

Expanded ID (max), recovered ID (max), wall thickness, and standard length per piece

Size	Expanded ID max (mm)	Recovered ID max (mm)	Wall thickness (mm)	Standard package (mm/pc)

*Standard length per piece: 600‑1200 mm (custom lengths available on request).

Technical Data

Electrical, mechanical and tracking resistance properties

Material Specifications

Property	Test Method	Standard Value
Operating temperature	IEC 216	-45°C to +105°C
Tensile strength	ASTM D2671	≥13 MPa
Elongation at break	ASTM D2671	≥300%
Tensile strength after aging	ASTM D2671 / 120°C,168h	≥11 MPa
Elongation at break after aging	ASTM D2671 / 120°C,168h	≥240%
Dielectric strength	IEC 243	≥20 kV/mm
Tracking resistance	ASTM D2303	3.75kV, 1h – PASS
Volume resistance	ASTM D2303	≥1×10¹⁴ Ω·cm
Dielectric constant	IEC 250	3.0
Longitudinal shrinkage	—	≤10%
Eccentricity	ASTM D2671	≤30%
Water absorption	ISO 62	≤0.1%
Flammability (Oxygen index)	IEC 93	≥28
Copper corrosion	ASTM D2671 / 120°C,168h	No corrosion
Cold bend	ASTM D2671 / -40°C,4h	No cracking

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Ideal for medium voltage cable accessories (joints & terminations) up to 36kV.