HDPE Dredging Pipe are made from high-density or ultra-high molecular weight polyethylene and are used for emergency evacuation in underground projects such as tunnels and mines. They feature excellent impact resistance (no brittle fracture at -40°C), high ring stiffness (compressive strength ≥1.6 MPa), light weight (only 1/8 that of steel), corrosion resistance, smooth inner wall, and a long service life of 30–50 years. The standard orange-red color facilitates easy emergency identification. A single person can carry and install the pipe, ensuring safety and high efficiency.
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