DIRECT BURY HIGH STRENGTH duct is designed for high crush resistance from external
pressure. The thin inner tube wall can make it easy to bend or fix inside of cabinet/closure.
The extra layer (total 2 layers of the outer sheath) is added to protect the thin wall of inner
tube from external ground pressure. Flexibility of tube allows bending or fixing inside of
cabinet/closure. It is strong against lightning, electrical surge.
Completed packages of the HDPE Tube Bundle on drums can be stored outdoor max. 6 months upon the date of production.
Storage temperature: -40°C ～+70°C
Installation temperature: -20°C ～+50°C
Operating temperature: -40°C ～+70°C
| Tensile Strength | IEC 60794-1-2 Method E1 |
| Bend | IEC 60794-1-2 Method E11 |
| Kink | IEC 60794-1-2 Method E10 |
| Impact | IEC 60794-1-2 Method E4 |
| Crush | IEC 60794-1-2 Method E3 |
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