Household plumbing systems use PEX for pipes to supply water and carry away sewage. The term PEX stands for "crosslinked polyethylene." PEX piping is manufactured by melting high-density polyethylene ...

Springfield, Mo.-based United Poly Systems LLC is extruding a new line of HDPE pipe in the same sizes as traditional copper tubes and iron pipes for a range of applications, particularly water uses.

Vienna-based chemicals company Borealis announced today the introduction of what it says is the world’s first pipe portfolio made from cross-linked polyethylene (PE-X) with renewable feedstock that ...

A landmark federal commitment to fund the elimination of a toxic national legacy—lead drinking water pipes—promises to improve the public health outlook for millions of people across the U.S. But it ...