Material: HDPE High Density Polyethylene (PVC-U type also available)
Standard Length: 6m per piece; coil type 100m per roll
Outer Circumscribed Diameter: 107~110mm
Single Hole Inner Diameter: Φ32mm (common), also available 28mm
Wall Thickness: 1.8~2.0mm
Connection Method: Special socket coupling with glue sealing optional
Production Process: HDPE pellets → High-temperature extrusion → Vacuum sizing → Cooling & traction → Fixed-length cutting