Engineering Plastics Polyethelene 300 - PE

Polyethylene 300 (PE 300), also known as high-density polyethylene (HDPE), is a type of engineering thermoplastic known for its high strength, durability, and chemical resistance. HDPE belongs to the polyethylene family and is one of the most widely used plastics in the world. Here are some key features and applications of Polyethylene 300:

Key Features:

  1. High Strength: PE 300 exhibits high tensile strength and impact resistance, making it suitable for applications requiring structural integrity and toughness.

  2. Chemical Resistance: It has excellent resistance to a wide range of chemicals, including acids, alkalis, and solvents, making it suitable for use in corrosive environments.

  3. Durability: PE 300 is highly durable and resistant to abrasion, weathering, and environmental stress cracking, ensuring long-term performance in various conditions.

  4. Low Moisture Absorption: It has low moisture absorption properties, which helps maintain its mechanical properties and dimensional stability in humid environments.

  5. Temperature Resistance: HDPE can withstand a wide range of temperatures, from -50°C to 80°C (-58°F to 176°F), making it suitable for both low-temperature and high-temperature applications.

  6. Electrical Insulation: PE 300 exhibits good electrical insulation properties, making it suitable for electrical and electronic applications where insulation and safety are essential.

  7. Ease of Fabrication: It can be easily fabricated using common plastic processing techniques such as injection molding, extrusion, and compression molding, allowing for the manufacture of complex shapes and parts.


  1. Piping Systems: PE 300 is commonly used in piping systems for water distribution, sewage disposal, and chemical transport due to its corrosion resistance, durability, and smooth interior surface.

  2. Storage Tanks and Containers: It finds applications in storage tanks, containers, and drums for chemicals, acids, and other corrosive substances due to its chemical resistance and durability.

  3. Marine Applications: HDPE is used in marine applications such as dock fenders, boat components, and marine structures due to its resistance to water, saltwater, and marine organisms.

  4. Construction: It finds applications in construction as geomembranes, protective liners, and construction panels due to its durability, weather resistance, and chemical resistance.

  5. Industrial Components: PE 300 is used in various industrial components such as gears, wear strips, conveyor belts, and pump components due to its abrasion resistance and toughness.

  6. Medical Devices: It finds applications in medical devices such as prosthetic components, orthopedic implants, and surgical instruments due to its biocompatibility and sterilizability.

  7. Sports and Recreation: HDPE is used in sports and recreation equipment such as playground structures, athletic field markers, and kayak hulls due to its impact resistance and durability.

Overall, Polyethylene 300 (PE 300) is a versatile engineering plastic with a wide range of applications across industries, offering a combination of strength, durability, chemical resistance, and ease of fabrication.

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