The Universal Selection Source: Plastics & Elastomers

High Density Polyethylene (HDPE): Plastic Profile

Learn why High Density Polyethylene (HDPE or PE-HD) is one of the most popular thermoplastic materials available. Get detailed information about HDPE's strengths and limitations, its applications, properties (chemicals, physical, mechanical, thermal...) and processing guidelines.

High Density Polyethylene

High Density Polyethylene (HDPE)
High Density Polyethylene (HDPE) is a cost-effective thermoplastic with linear structure and no branching. It is manufactured at low temperature (70-300°C) and pressure (10-80 bar) & derived from either:

  • Modifying natural gas (a methane, ethane, propane mix) or
  • The catalytic cracking of crude oil into gasoline 

HDPE is produced from polymerization of ethylene (olefin) monomers (olefins contain a reactive double bond) majorly using two techniques: Slurry Polymerization or Gas Phase Polymerization.

High Density Polyethylene Structure
High Density Polyethylene Structure

High density polyethylene is flexible, translucent/waxy, weatherproof, and displays toughness at very low temperatures.


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