HDPE Pipes Development History

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The history of the polyethylene (PE) pipe begins with early civilization&#;s attempts to find a suitable transport medium that could move water and other fluids from one place to another. It is no secret that plastic is relatively a new kid on the block as a piping material. Concrete has, in some form or another, been around since the Assyrians, Babylonians and Egyptians, while steel was first patented in . Plastic piping, on the other hand, beginning with polyvinyl chloride or PVC in , dates back to the s, when it was utilized for sanitary drainage. Polyethylene was first developed in as a flexible, low density coating and insulating material for electrical cables. It played a key role during World War II &#; first as an underwater cable coating and then as a critical insulating material for such vital military applications as radar insulation. Because of its light weight, radar equipment was easier to carry on a plane, which allowed the out-numbered Allied aircraft to detect German bombers under difficult conditions such as nightfall and thunderstorms.

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High density polyethylene, however, is quite a bit different from the polyethylene used in the s. Low density polyethylene was discovered in and it wasn&#;t until sixteen years later in that high density polyethylene appeared on the scene. As a relatively newcomer in the piping industry, polyethylene is constantly making its way into applications normally reserved for the older piping technologies. It was not until after the war, though, that the material became a tremendous hit with consumers and from that point on, its rise in popularity has been almost unprecedented. Since the late s and early s, polyethylene has made its way into every corner of our lives launching a multi-billion dollar industry. It became the first plastic in the United States to sell more than a billion pounds a year and it is currently the largest volume plastic in the world. This is partly due to the fact that there are certain characteristics (or combinations of characteristics) of high density polyethylene that make it an attractive alternative. Whether it is an issue of installing a new piping system or rehabilitating an existing system, there are certain requirements placed on the piping material: that it be simple to install, that it doesn&#;t leak or cost a lot to maintain, and will last a very long time. As long as polyethylene can satisfy these demands better than any other material, it will continue its gain in popularity.