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Polyethylene

Polyethylene (PE) is a versatile, thermoplastic polymer made from the polymerization of ethylene. It is one of the most widely produced plastics globally, owing to its low cost, durability, flexibility, and excellent chemical resistance. polyethylene exists in various forms, differentiated primarily by their density and branching, including low-density polyethylene (LDPE), high-density polyethylene (HDPE), and ultra-high molecular weight polyethylene (UHMWPE). These variations impact properties such as strength, stiffness, and transparency, making it suitable for diverse applications, from packaging and films to pipes and medical implants. Its inertness contributes to its widespread use, though recyclability remains a significant environmental challenge.

Polyethylene meaning with examples

  • Food packaging often utilizes thin films of low-density polyethylene (LDPE) to preserve freshness and prevent spoilage, demonstrating PE's crucial role in protecting consumables and its ability to be formed into thin, flexible sheets.
  • High-density polyethylene (HDPE) is commonly employed in the production of milk jugs and detergent bottles due to its strength, rigidity, and resistance to chemicals, highlighting PE's ability to create robust containers for various liquids.
  • The robust piping systems for water distribution networks are frequently made from polyethylene (PE) because of its corrosion resistance and durability, particularly in underground infrastructure, showcasing its long lifespan.
  • Ultra-high molecular weight polyethylene (UHMWPE) is used in the construction of artificial hip joints and other medical implants thanks to its abrasion resistance and biocompatibility, demonstrating PE's versatility.
  • Construction sites often use polyethylene sheeting to protect building materials from weather and to act as a moisture barrier, highlighting PE's protective qualities and it being simple to deploy on a variety of surfaces.

Polyethylene Crossword Answers

9 Letters

POLYTHENE

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