The pipe is extruded from HDPE while the die oscillates, which gives the curved, net-like wall. It is also sold under names such as seepage pipe, collector pipe and blind-drain pipe.
What the brochure emphasises
- Light to handle.
- Solid invert, perforated crown.
- Described as chemically resistant and resistant to impact.
Uses named in the brochure
- Buried collection where a rigid perforated pipe is specified.
- The brochure does not give a separate project list for this pipe.
Stated in the brochure
- The brochure says collection capacity is five to ten times that of similar products, and that flow is two to three times a concrete or corrugated pipe of the same diameter. No test reference is printed beside those sentences.