Polyethylene Properties | Design Considerations | Penta Precision

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Polyethylene (PE) Machined Parts

A Guide to Polyethylene - CNC Milled & Turned Parts: Properties, Applications and Design Considerations

What is Polyethylene?

Polyethylene (PE) also known as Polythene (IUPAC name polyethene) is a semi-crystalline thermoplastic. PE offers high levels of toughness with low strength and hardness. Its versatility has made it one of the most popular plastics globally.

There are many well-known variants of Polyethylene – a breakdown of the most common can be found in the ‘notes for designers’ tab below. 

Main Attributes of Polyethylene:

The attributes of polyethylene depends on the type although the below properties are largely universal:

  • High toughness
  • Excellent chemical resistance
  • High impact strength
  • Low moisture absorption
  • Very good electrical insulation
  • Excellent machinability
  • Most grades suitable for food contact
  • Lightweight
  • Good resistance to high energy radiation
  • Good stability to temperature
  • Lower thermal and mechanical properties (tensile stress, flexural and compressive strength) than engineering plastics
  • Relatively low cost


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Detailed information about Polyethylene for designers including UK stock sizes and technical properties can be found in the tabs below. Please note: this information is provided as a guide only. All information is based on our present knowledge and is given in good faith. No liability will be accepted by Penta Precision in respect of any action taken by any third party in reliance thereon.

Similar or obsolete designation and trade names

You may also see Polyethylene referred to as:

Polyethylene Components, Applications & Industries

Here are some examples of the industries and components for which Polyethylene is appropriate. This is by no means an exhaustive list. Please do get in touch if you are considering using Polyethylene and we can talk through your project with you.

Typical Components & Applications:
  • Packaging
  • Medical equipment
  • Pump parts
  • Valve parts
  • Gaskets
  • Hinges
  • Die pads
  • Orthotics and prosthetics
  • Tanks
  • Rollers
  • Bearings
  • Bushings
  • Washers
  • Sprockets
Industry Examples:
  • Medical
  • Food technology
  • Agriculture
  • Automotive
  • Chemical technology
  • Mining
  • Construction


    Polyethylene Machined Prototype

    Polyethylene CNC Machined Component

    Polyethylene Machining Service

    Penta Precision provides highly accurate machined parts in Polyethylene. Customers turn to us when they have had quality and delivery issues with their existing suppliers and need a reliable precision machining partner.

    Penta Precision provides the following Polyethylene services: 

    Reasons to Choose Penta:

    We are regularly machining Polyethylene for customers all over the UK. Our customers depend on our machining expertise as well as our outstanding delivery performance, to machine the highest quality parts. Contact us to discuss how we can help you with your Polyethylene machining requirements. 

    Can we meet your
    Polyethylene machining needs?
    Call our engineering team on
    +44 (0) 23 9266 8334
    or contact us via our email form

    "I have always found Penta to be very professional when dealing with them. I find good communication to be very important, something Penta excel at." Ben - Buyer

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