HDPE double-wall corrugated pipe

High-Density Polyethylene (HDPE) double-wall corrugated pipe is a new type of pipe with a ring-shaped structured outer wall and a smooth inner wall, first developed in Germany in the early 1980s. After more than a decade of development and refinement, it has evolved from a single product type to a complete product series. Currently, its production technology and application techniques are highly mature. Due to its excellent performance and relatively economical cost, it has been widely promoted and applied in developed countries such as Europe and the United States. In China, the promotion and application of HDPE double-wall corrugated pipes are in a rising phase. This product has been certified by the National Chemical Building Materials Testing Center, with all technical indicators meeting the GB/T 19472.2-2019 usage standard.