high-density polyethylene

noun

, Chemistry.

1. polyethylene consisting mainly of linear, or unbranched, chains with high crystallinity and melting point, and density of 0.96 or more, produced at low pressure and used chiefly for containers and articles made by injection molding. : HDPE

Word History and Origins

Origin of high-density polyethylene¹

First recorded in 1955–60

Example Sentences

Such bags included paper and high-density polyethylene plastic bags, which plastic companies argued could be reused.

From Los Angeles Times

SCG Plastics Co. used U.S. banks to process $291 million in sales of Iranian high-density polyethylene resin from 2017 to 2018, according to the signed settlement agreement between the firm and Treasury’s Office of Foreign Assets Control.

From Seattle Times

After the ban went into effect, in a six-month period, those stores sold 66 million high-density polyethylene, or HDPE, bags and 45 million recycled paper bags.

From Los Angeles Times

But they can sell you a heftier sack made of high-density polyethylene, or HDPE.

From Los Angeles Times

Made from high-density polyethylene and a metal frame, the nutcracker has a wide base that makes it extra sturdy, and its collapsible structure makes storage easy.

From Seattle Times