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HDPE stands for High-Density Polyethylene, a versatile thermoplastic polymer derived from petroleum, known for its strength, durability, and chemical resistance, making it suitable for a wide range of applications, including bottles, containers, and pipes. 

Here's a more detailed look at HDPE:

Key Characteristics:

• Thermoplastic:

  HDPE is a thermoplastic, meaning it can be softened by heating and hardened by cooling, allowing it to be molded and shaped repeatedly. 

• Polyethylene:

  It's a type of polyethylene, a polymer made from the monomer ethylene. 

• High Density:

  The "high-density" refers to the way the polymer chains are packed together, resulting in a denser and stronger material compared to other types of polyethylene. 

• Linear Structure:

  HDPE has a linear structure with fewer branches compared to other polyethylene types, contributing to its strength and rigidity. 

• Versatile:

  HDPE is used in a wide array of applications, including packaging, containers, piping, and various consumer and industrial products. 

• Recyclable:

  HDPE is a commonly recycled plastic, indicated by the resin identification code "2".