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 Medium 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 tubing is ideally suited for aerial, underground and direct burial installation.

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