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Polyethylene foam sheets
Foam materials

Polyethylene Foam

If you need a versatile, reliable material for your packaging, product or other application, Polyethylene foam is the default choice.

Polyethylene foam is a durable, lightweight, usually closed-cell material. It’s renowned for its exceptional moisture resistance, buoyancy, and ability to absorb repetitive impacts without permanently deforming. Commonly referred to as PE foam, it is available in cross-linked (XLPE)  and non-cross-linked variants. Polyethylene foam is particularly suited to protective packaging, material handling, sports and medical equipment, gaskets, and a range of other applications.

Polyformes are among the largest polyethylene foam suppliers in the UK. In fact, the supply and conversion of polyethylene foams has been the foundation of our business for over 40 years. Offering a huge range of options – including Stratocell®, Ethafoam®, Microlen and the Zotefoam AZOTE® range – we allow you to source PE foam material or converted products quickly and easily.

No obligation
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Competitive pricing
Options

Polyethylene foam options

Polyformes specialise in the supply and conversion of polyethylene foam materials. Please speak with our expert team for impartial guidance on the best foam for your needs.

Advantages

Benefits of polyethylene foams

Polyethylene foams provide market-leading performance, with benefits of:

Absorbs multiple impacts, repeatedly returning to its original shape.
Excellent cushioning to prevent damage to items during shipping.
Closed-cell structure is water-resistant, non-absorbent, and buoyant.
Displays excellent thermal and acoustic properties.
Resistant to oils, solvents, acids, and common industrial chemicals.
Can be easily CNC routed, die-cut, waterjet-cut, and heat-welded.
Available in a wide range of densities, colours, and specialist properties.
A person placing PE foam packaging into a box in a factory
Foam material experts

FAQs

The main difference between polyurethane and polyethylene foams is their cell structure. Polyurethane foam features open cells, making it soft, flexible, and absorbent. It is widely used in furniture cushions and mattresses. Polyethylene foam, by contrast, is a closed-cell material. Its structure means it is more rigid, water-resistant, and better suited for protective packaging.

Standard, non-crosslinked polyethylene foam (EPE) is fully recyclable and can be melted down to create new plastic products, often categorised under recycling code 4 (LDPE). However, cross-linked polyethylene foam (XLPE) cannot be easily melted down due to its altered chemical bonds, making it much more difficult to recycle through traditional methods.

Yes, polyethylene foam sheet is generally considered non-toxic, chemically inert, and safe for consumer use, as it does not contain formaldehyde or heavy metals. Certain PE foams, such as nitrogen-expanded Plastazote®, are so chemically pure that they are widely approved for medical devices, orthopedic braces, and museum-grade archival storage.

Polyethylene foam is highly durable and is unaffected by moisture, oils, and most industrial chemicals. However, it is susceptible to ultraviolet (UV) radiation, gradually breaking down and becoming brittle if left exposed to direct sunlight for extended periods without UV-inhibiting additives.

A protective case with polyethylene foam inserts on a construction site
UK foam converters

Why work with us?

At Polyformes, we have forged strong relationships with the world’s premier PE foam manufacturers, giving you direct access to the industry’s most comprehensive selection of materials.

Material options
We partner with leading Polyethylene foam manufacturers to ensure your business receives the most suitable material or product for your application.
Trade service
We operate as a highly agile partner for the trade, supporting independent foam fabricators, contract packaging designers, and original equipment manufacturers (OEMs).
Industry knowledge
With more than 40 years of experience, our engineering team has developed custom polyethylene foam solutions for the most demanding industrial challenges.
In-house processing
From prototype drafting to automated high-volume routing, our in-house design team and conversion equipment guarantee quality and effective project management.
Short lead times
Our stockholding, supplier relationships, and in-house processing equipment enable us to deliver bulk polyethylene planks or fabricated components on incredibly tight schedules.
UK experts
Not sure whether you need PE foam sheets? Or a cross-linked variant? Being independent of any material manufacturer allows us to provide genuinely impartial advice.
Wide range of options

Similar foam products

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If you need high-performance foam inserts, packaging, products or materials, we can help. Please contact a member of our team for a free consultation and quote.

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