Polyethylene - PE (CAS# - 9002-88-4)

Polyethylene (PE) is a versatile thermoplastic polymer composed of repeating ethylene monomer units. It is one of the most widely produced plastics in the world and is used in various applications due to its excellent properties, such as flexibility, toughness, chemical resistance, and low cost.

 Polyethylene comes in several forms, including high-density polyethylene (HDPE), low-density polyethylene (LDPE), and linear low-density polyethylene (LLDPE), each with specific properties and applications.

 Here are some key details about polyethylene along with its CAS number:

 - Chemical formula: (C2H4)n

- CAS Number: 9002-88-4 (Polyethylene)

- Appearance: Typically white or translucent solid (various forms)

- Density: Depends on the form of polyethylene (e.g., HDPE, LDPE, LLDPE)

- Melting point: Depends on the form and molecular weight of polyethylene (e.g., HDPE melts typically between 120°C to 180°C)

 Polyethylene is used in a wide range of applications, including:

 1. Packaging: Polyethylene is extensively used in packaging materials, including plastic bags, shrink wrap, food packaging, and containers for beverages, detergents, and personal care products.

 2. Pipes and fittings: HDPE and LDPE are commonly used in the construction industry for pipes, fittings, and geomembranes due to their resistance to corrosion, flexibility, and durability.

 3. Consumer goods: Polyethylene is used in the manufacture of various consumer goods, such as toys, buckets, crates, and household items like bottles, containers, and bins.

 4. Medical devices: LDPE is used in the production of medical devices and disposable laboratory equipment due to its flexibility, inertness, and ease of sterilization.

 5. Films and sheets: LLDPE and LDPE are used in the production of thin films and sheets for agricultural applications, greenhouse covers, packaging films, and industrial liners.

 Polyethylene is generally considered safe for use in these applications and is recyclable. However, it is important to note that certain forms of polyethylene may not be suitable for all applications due to differences in properties such as density, molecular weight, and processing methods.

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