A five-gallon plastic bucket filled with washed stone and a pair of gallon-sized water jugs helped city engineers in Greenville, SC, decide what kind of drainage system to install on a fast-growing ...

Polyethylene is a whitish, semi-crystalline, and effectively opaque engineering thermoplastic which, chemically, is a very high molecular weight (3-6 million) HDPE. As a result, its melt viscosity is ...