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Case Studies

Water Tubing Failure

The Problem
A section of tubing was submitted for evaluation as the material had failed while in service. The sample was identified as 3⁄4 in. coiled tubing, assembled onto a water meter in an uncovered pit. Leaking from the tubing was observed after a relatively short period in service. The tubing was extruded from a poly(butylene terephthalate) (PBT) resin modified with polyether block amide.

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The Madison Group

The Madison Group

The Madison Group is the recognized leader in plastics engineering. Over three decades, The Madison Group has focused on polymeric materials. We understand how these materials behave, how to properly design with them, how they are processed, and the numerous manufacturing steps required to produce a successful product.