Properties Test Method Typical Value

Physical
Tensile Strength ASTM D 638 14 N/mm2
Elongation at Break ASTM D 638 400%
Longitudinal Change ASTM D 2671 +0%, 10% Maximum
Water Absorption ASTM D 570 < 0.15% Maximum

NTE’s Thick Wall Heat Shrink Tubing is polyolefin based heat|shrinkable tubing suitable for a wide range of telecom and power applications like joints and cable repair. This tough, durable tubing provides protection for electrical connections in the most adverse conditions including direct burial, URD, and submersible installations.

Thermal
Continuous Operating Temperature -40° to +120°C
Minimum Shrink Temperature > +110°C
Heat Shock (4 Hours at +250°C) ASTM D 2671 No Dripping, Cracking or Flowing
Heat Aging (168 Hours at +150°C) ASTM D 638 Ultimate Elongation 300%
Low Temperature Flexibility (55°C) ASTM D 2671 C No Cracking (Outer Wall Only)

Electrical
Dielectric Strength ASTM D 2671 17kV/mm
Volume Resistivity ASTM D 257 10 @ 14 ohm.cm

Chemical
Fungus Resistance ISO 846 Meth. A Rate I
Copper Corrosion ASTM D 2671 B Good