high density polyethylene
Cars & Driving
- noun (written as high-density polyethylene)a very tough, chemically resistant thermoplastic, with a ‘soapy’ touch; e.g. used for blow-moulded parts such as fuel tanks or other mouldings, such as bumpers.
- An extensively polymerized plastic used for pipe. polyethylene material is highly abrasion and corrosion resistant, and thereby able to handle a wide variety of slurries and abrasive materials as well as nearly all acids, caustics, salt solutions and other corrosive liquids and gases.