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Polyethylene is one of the most widely used polymers in the world, applied in the production of packaging, pipes, containers, films, household items, and more. Its versatility comes from its unique physical and chemical properties. In this article, we explore the key properties of polyethylene and its areas of application.

What is polyethylene?

Polyethylene (abbreviated as PE) is a thermoplastic polymer obtained through the polymerization of ethylene (ethene). Its structure consists of chains of (-CH2-CH2-)n, which makes it both flexible and durable.

Key properties of polyethylene

  • Mechanical strength – can withstand significant loads without tearing;
  • Flexibility and elasticity – does not crack when bent;
  • Water resistance – impermeable to moisture and vapor;
  • Chemical resistance – insoluble in water, resistant to acids and alkalis;
  • Low density – lightweight material with good thermal insulation properties;
  • Temperature resistance – maintains shape from -60°C to +80°C (depending on the type).

Main types of polyethylene

  • HDPE (high-density polyethylene) – rigid, opaque, strong. Used for pipes, jerrycans, and T-shirt bags;
  • LDPE (low-density polyethylene) – flexible, transparent. Used for films, food bags, and insulation;
  • LLDPE (linear low-density polyethylene) – puncture and stretch resistant, ideal for stretch films and packaging.

Applications of polyethylene

Thanks to its versatility, polyethylene is widely used across many industries:

  • Packaging – bags, sacks, films, stretch wrap, containers, bottles;
  • Construction – pipes, waterproofing, cable insulation;
  • Agriculture – agricultural film, mulch, polyethylene sleeves;
  • Medicine – packaging, disposable items, sterile films;
  • Household – packaging, storage containers, buckets, protective films.

What else do people search for related to polyethylene?

  • types of polyethylene and their uses;
  • properties of polymer materials;
  • what is HDPE, LDPE;
  • advantages of polyethylene packaging;
  • eco-friendliness and polyethylene recycling.

Polyethylene packaging from Cherpack

At cherpack.net you can order polyethylene bags in bulk — with a logo, in custom sizes, any color and thickness. We produce from HDPE, LDPE, COEX — depending on your needs. Packaging is not just protection, it's part of your brand. Choose a reliable manufacturer!