Double wall corrugated pipe production line – Suba Machinery

High density polyethylene (HDPE) corrugated pipe is a new pipe with structure outer layer profile and smooth inner wall layer. It was first developed in Germany in the early 1980s. After years of development and improvement, it has developed from a single variety to a complete product series. At present, it is advanced in production technology and application. 

Because of its excellent performance and relative economic cost, it has been greatly 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 an upward trend, and all the technical indicators have reached the application standards. The inner wall of double wall corrugated pipes is usually blue and black, some brands use yellow.