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What does PE mean on plastic?

Published in Plastic Identification 2 mins read

PE on plastic stands for Polyethylene.

Polyethylene, often shortened to PE, is the most common type of plastic produced globally. It's also known as polythene, and its official IUPAC name is polyethene or poly(methylene). This material is widely used in various applications due to its versatility, durability, and cost-effectiveness.

Understanding Polyethylene (PE)

Here's a more detailed look at polyethylene:

  • What it is: Polyethylene is a thermoplastic polymer, meaning it can be melted and reshaped.
  • Abbreviation: The abbreviation PE is universally recognized as representing polyethylene.
  • Production: It is the most commonly produced plastic globally, underlining its widespread usage.
  • Variations: There are several types of polyethylene, which have different properties and uses. The most common include:
    • High-density polyethylene (HDPE): Known for its strength and stiffness, often used for bottles, containers, and pipes.
    • Low-density polyethylene (LDPE): More flexible and less rigid than HDPE, frequently used for plastic bags, films, and squeeze bottles.
    • Linear low-density polyethylene (LLDPE): Combines some properties of both HDPE and LDPE, often used for plastic films and flexible packaging.
  • Recycling: While some forms of polyethylene are recyclable, it's important to check the recycling symbols on products and adhere to local recycling guidelines.

Where You'll Find PE Plastics

Polyethylene is extremely prevalent in our everyday lives. Some common examples include:

  • Packaging: Plastic shopping bags, food wraps, and containers.
  • Bottles: Milk jugs, water bottles, and cleaning product containers.
  • Pipes: Water and drainage pipes.
  • Toys: Many plastic toys are made from polyethylene.
  • Films and Sheets: Used in agricultural films, construction, and other applications.

By understanding that "PE" signifies Polyethylene, you can better understand the composition and potential properties of the plastic products you encounter daily.