Instant cut to size prices

Free Nationwide delivery on orders over £250

30+ Years experience in the plastics industry

PEEK (Polyetheretherketone) sheet is a high-performance, food-safe material with excellent chemical, dielectric, and radiation resistance. Fire-rated and self-extinguishing, it’s ideal for extreme conditions. Available in natural.

Why Choose PEEK?

PEEK offers exceptional performance in extreme conditions, with a wide temperature range (-50°C to +250°C), high mechanical strength, and excellent chemical, radiation, and creep resistance. It’s food-safe, fire-resistant, and ideal for replacing stainless steel in high-stress applications.

Key features and benefits

Outstanding temperature range: Performs reliably from -40°C to +250°C
Excellent creep resistance: Maintains shape and strength under constant stress
High mechanical strength: Ideal for high-load and high-stress applications
Very high dimensional stability: Holds tight tolerances during machining and use

Typical Applications

Bearings, Seals & O-Rings: Ideal for components that require low friction, wear resistance, and long-term durability under high loads.
Pump, Compressor & Piston Parts: Excellent for use in demanding mechanical systems where heat and pressure are factors.
Valves: Reliable in chemical, steam, and high-pressure systems due to PEEK’s stability and sealing properties.
Aerospace: Used in structural and non-structural components for its lightweight strength and flame resistance.
Medical Devices: Biocompatible and sterilisation-resistant, suitable for surgical tools and implants.
Automotive: Trusted for under-the-hood components that must endure heat, friction, and chemicals.
Oil & Gas Industry: Performs in extreme conditions, including high temperatures and corrosive environments.

Specific Gravity of 1.31

Denser than water, PEEK sinks but remains lightweight compared to metals — ideal for replacing metal components without sacrificing strength.

Manufacturing Process - Extrusion

PEEK sheets are produced through an extrusion process, where PEEK resin is heated to its melting point and extruded through a flat die to form a continuous sheet. The sheet is then cooled, cut, and, if necessary, thermoformed to the required thickness. This method ensures:

Exceptional dimensional accuracy
Uniform density and surface finish
High mechanical and thermal performance

This process results in a high-performance material with exceptional strength, chemical resistance, and thermal stability—making PEEK sheets ideal for demanding applications in aerospace, medical, automotive, and industrial sectors.

Cut to Size Bespoke Fabrication Services

Our cut to size service allows you to purchase PEEK sheets in the exact dimensions you need, without having to buy full, manufactured sheets. We don’t charge for cutting standard shapes and sizes listed on our website.

For more customised projects, we also offer bespoke fabrication services, including:

CNC Laser Cutting – For precise and intricate designs.
CNC Routing – Ideal for complex shapes and large-scale projects.
Engraving – Perfect for personalised or technical detailing.
Additional options – Such as drilled holes, rounded corners, and edge polishing for a professional finish.

Sustainability and Recycling

PEEK is fully recyclable through specialised processes, contributing to sustainability efforts. Its durability and long lifespan reduce the need for frequent replacements, making it an eco-friendly choice for industrial applications and reducing overall environmental impact.

Minimum panel size

250mm x 250mm

Maximum panel size

1000mm x 1000mm

Specific gravity

1.31 g/cm³

Water absorption till saturation 23°C

0.45%

Maximum service temp. Upper temp limit - Long term

250°C

Tensile strength

115 MPa

Fire performance

V-0 UL 94

Data sheets

PEEK

Colour availability & light transmission

Key

Standard

Non-standard

Not available

Out of stock

Limited stock

	5mm (LT)	6mm (LT)	8mm (LT)	10mm (LT)	12mm (LT)	16mm (LT)	20mm (LT)	25mm (LT)
Beige

We provide a fast delivery service throughout the UK using recognised Couriers such as Royal Mail, DHL, and Parcel Force.

Delivery prices are calculated based on the length of the longest side of the material ordered i.e. the delivery price of a panel measuring 1500mm x 1000mm would be based on the 1500mm dimension. Only one delivery charge is charged per order regardless of how many items are ordered.

UK Delivery costs

Longest side	Standard Delivery	Express Delivery	Order value for FREE delivery
Samples (100mm x 100mm)	£2.95	£9.95	£250
Less than 500mm	£6.95	£12.95	£250
500mm to 999mm	£9.95	£19.95	£250
1000mm to 1999mm	£14.95	£24.95	£250
2000mm or greater	£19.95	£29.95	£250

Standard delivery for all accessories is £7.95, or £12.95 for Express delivery.

All prices listed include VAT.

Delivery Times

Our guidelines for delivery times are listed below:

Standard delivery (3-5 working days)
Express delivery (2-3 working days)

Express Delivery

If you require faster delivery you may wish to consider choosing our Express Delivery option at the checkout. Express Delivery orders are prioritised over standard orders and delivered using a recognised nationwide courier.

Next Day Delivery

Next Day delivery is not available via our website due to the volume and bespoke nature of orders we receive on a daily basis. However, if you need to place an order and require Next Day delivery please contact us – we will make every effort to meet your requirements and deadlines.

European/EU Delivery

We have temporarily disabled European delivery for orders placed through our website whilst we make changes to ensure that the correct rate of EU VAT is being charged. Our team can however manually process orders so please contact us if you require delivery to the European Union.

Remote Areas

Due to the nature of the ”made to measure” products we supply, we provide delivery prices at a standard rate and reserve the right to cancel an order should it become economically unviable to fulfill the order. In these extremely rare circumstances, the customer will be contacted first to discuss alternative options.

When delivering to some locations we can incur increased Courier delivery costs. Should delivery be required to one of the locations listed below a remote area supplement will be automatically added to the price of delivery during the checkout process.

Longest side	Remote area supplement
Samples (100mm x 100mm)	£0.00
Less than 500mm	£0.00
500mm to 1499mm	£10.00
1500mm to 2499mm	£15.00
2500mm or greater	£20.00

All prices listed include VAT.

Examples of delivery locations which may incur a remote area supplement are:

Channel Islands
Isle of Man
Isles of Scilly
Isle of Wight
Scottish Islands
Scottish Highlands
Remote areas of Scotland
Northern Ireland

If you require delivery to one of these areas please get in touch to discuss your order.

Third-Party Deliveries

Some products are dispatched directly from the manufacturer and delivered by a third-party courier. If applicable, this is clearly stated on each Product page under the 'Delivery' tab/section.

Can I collect my order from Simply Plastics?

Yes, of course. Orders can be collected from our premises in Colchester, Essex. At the final stage of the checkout process there is a delivery option labelled "Collection/pickup" which is free. Once your order is complete, you will be notified by email along with our address and collection times.

I need my order urgently, can I pay for faster shipping?

Yes. We offer an express delivery service which aims to deliver all orders in 1-3 working days. Orders are delivered by a recognised courier company and may require a signature on delivery.

Do you have a minimum order charge or small order fee?

This is a question we are asked fairly regularly due to the previlance of either a minimum order charge or small order fee within the industry.

At Simply Plastics our approach has always been to treat all orders equally, small or large. We want all customers, new and existing, to be able to place orders with us confident that they are only paying for the products and materials that they require. We therefore do not have a minimum order charge or small order fee.

Is PEEK the best plastic to use in high temperatures?

In our Engineering Plastics range, PEEK has the highest temperature tolerance of 250°C.

Is PEEK stronger than metal?

PEEK can be stronger than some metals, especially when it comes to strength-to-weight ratio. Its high performance qualities allows PEEK to replace metals in engineering components.

Is PEEK waterproof?

Yes, PEEK is waterproof and has low water absorption, even in high humidity environments.

Is PEEK easy or difficult to bond?

PEEK is generally difficult to bond, and special adhesives or methods need to be used.

Why is PEEK so expensive?

Compared to other plastics, PEEK has a premium price because of its advance properties being a high-performance, speciality plastic, its high demand and it uses expensive raw materials in its complex and high temperature manufacturing process.

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