Polyethylene
Foams.

grey polyethylene foam sheet with circular cut outs, sitting on top of a white roll of polyethylene foam.
Accreditations Roundal2024

Explore our range of Polyethylene Foams, featuring chemically cross-linked, non-cross-linked, and physically cross-linked options. Our materials cater to a variety of applications, including insulation, sports and leisure, packaging and more. Each material offers different benefits such as lightweight construction, insulation properties, and customisable thicknesses. These foams are available in multiple formats, including rolls, sheets, and cut or pressed parts.

grey cylinder polyethylene foam with a white background

Chemically Cross Linked PE Foam

Product Reference(s):
AS625 / AS630 / AS645 / AS667

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white cylinder polyethylene foam with a yellow backing.

Non Cross Linked PE Foam

Product Reference(s):
AS600

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AS633

Physically Cross Linked PE Foam

Product Reference(s):
AS633 / AS650 / AS667

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Why Choose Us?

ISO 9001 Certified Processes

Ensuring consistent quality

Custom Sizes and Cut Parts

Available in multiple densities, thicknesses, sheets, rolls, and custom-cut formats

Technical Data Sheets

Available for all materials

Comparison of Polyethylene Foam Types.

Choosing the right polyethylene foam is essential for long-term performance and cost efficiency. The table below compares our chemically cross-linked, physically cross-linked, and non-cross-linked grades by density, key benefits and typical applications, to help you identify the most suitable option for your project requirements.

Chemically Cross-Linked Physically Cross-Linked Non-Cross-Linked
Density
(kg/m³)
25, 30, 45 33, 50, 67 24
Key Benefits Lightweight with excellent insulation and thermal properties; FR-rated and anti-static options available. Fine, regular cell structure with smooth skin surfaces; good UV and ozone resistance; low water permeability. Fine, closed-cell structure with low water absorption and good thermal stability; performs across a wide temperature range; CFC and HCFC free.
Typical Applications Thermal and pipe insulation, buoyancy aids, sound insulation, sports and leisure matting, automotive components, medical packaging. Pipe insulation, medical devices, automotive interiors, sports equipment, flotation devices, gasketing, mounting applications (signs, mirrors, trims). Protective and display packaging, general cushioning, expansion joints for concreting.

Polyethylene Foam Characteristics.

Polyethylene (PE) foam is a closed-cell, thermoplastic foam known for the following core characteristics:

Closed-cell structure that prevents water absorption, helping it retain its insulating and cushioning qualities over time

Flexible and resilient, able to withstand repeated compression without permanent deformation

Good tensile strength and impact resistance, suitable for protective packaging and padding applications

Performs consistently across a wide range of temperatures

Available in densities ranging from 25 Kg/m3 to 45 Kg/m3 for our cross-linked PE foams

Supplied in a variety of colours

Available as rolls, sheets, or cut and pressed parts to suit your requirements

Close-up of die-cut foam and rubber material samples in different colours and shapes: a black notched foam pad with embossed circles, two grey layered foam strips cut at an angle showing internal layers, four red foam strips with white backing fanned out with rounded ends, and partial views of white, blue, purple, and gold/tan strips in the background

Polyethylene Foam Advantages.

Polyethylene foam is a popular choice across packaging, insulation, automotive and medical applications thanks to a combination of practical benefits:

Lightweight yet durable, withstanding repeated compression without losing its shape

Closed-cell structure that doesn't absorb water, making it well suited to damp, outdoor or moisture-sensitive environments

Recyclable, making it a more sustainable choice compared to some alternative materials

Good resistance to chemicals, solvents and oils, allowing it to perform reliably in industrial settings

Good thermal insulation, helping to maintain stable temperatures in HVAC systems and thermal packaging

Supplied in a range of densities, thicknesses, colours and formats, including rolls, sheets, and cut or pressed parts, to suit your specific application

Effective cushioning and impact absorption

Polyethylene foam sheets in grey, blue, yellow, pink and purple stacked on top of each other.

Polyethylene Foam FAQs.

What is Polyethylene Foam?

Polyethylene foam is a closed-cell foam made from thermoplastic material. It offers strong resistance to chemicals, grease, and water.

Our polyethylene foam is supplied in sheets, rolls, and strips. It is also available in a variety of colours to suit a range of applications.

What is Crosslinked Polyethylene Foam?

Crosslinked polyethylene foam, also known as XLPE, is a denser and smoother variation of standard polyethylene foam. It undergoes a chemical or physical crosslinking process, which improves its durability and tensile strength.

At AS Rubber, this type of foam is offered in different densities (ranging from 25 Kg/m3 to 45 Kg/m3) and colours, making it suitable for many applications.

What is Polyethylene Foam Used For?

Polyethylene foam has many practical applications due to its lightweight, cushioning, and water-resistant nature. It is regularly used in:

Is Polyethylene Foam Waterproof?

Yes, polyethylene foam is waterproof. Its closed-cell construction prevents the absorption of water, which makes it well-suited for use in damp or wet environments. This also helps it retain its insulating and cushioning qualities over time, even when moisture is present.

To learn more about its physical, thermal and chemical properties, types and more, visit our article.