ASTM WK39632, Specification for 3–24 Inch Corrugated Polyethylene Pipe and Fittings with Recycled Resins, will provide assurance regarding quality of HDPE corrugated pipe using recycled resins. Proposed standard includes requirements and test methods for materials, workmanship, dimensions, perforations, and pipe stiffness. Once approved, standard will be used by manufacturers to produce pipes made from recycled materials for end users such as excavation/drainage contractors and ...This story is related to the following:Green & CleanSearch for suppliers of: