1. Smooth inner wall for easy cable pulling
Low friction coefficient on the inner wall reduces pulling resistance for long-distance one-time cable threading and saves construction time.
2. Flexible against ground settlement
High-density polyethylene features strong flexibility to adapt to uneven ground settlement and resist external compression damage.
3. Corrosion & aging resistance
Resists acid, alkali, and saline soil corrosion and aging, maintaining stable performance underground for decades without cracking.
4. Eco-friendly with zero pollution
Made of virgin HDPE without harmful substance precipitation, no water & soil pollution, and fully recyclable.
5. Reliable connection
Hot melt butt fusion or sealed socket connection provides firm joints against water and sediment infiltration.