What is Polyaryleth-eretherketone (PEEKTM) materials 

Written by Rahul Verma | Updated: February 13, 2026

What is Polyaryleth-eretherketone (PEEKTM) materials 

Written by Rahul Verma |  Updated: February 13, 2026

PEEKTM (Polyarylethe-retherketone)

Polyaryleth-eretherketone (PEEKTM) materials are semi-crystalline polymers with excellent mechanical properties, including resistance to chemicals, abrasion, electricity, and heat. They are used in high-performance final-use contexts, such as silicon wafer carriers, connectors, sterile surgical equipment, and medical implants. 

Polyaryleth-eretherketone (PEEKTM) materials are repeating monomers of two ether groups and a keytone group and are hence semi-crystalline polymers of excellent purity.

PEEKTM is distinguished by its superior mechanical qualities, which are preserved even at high temperatures.

Properties

Grey, opaque, rigid material with outstanding resistance to chemicals, abrasion, electricity, and heat, as well as excellent dimensional stability and a wide range of processing options.

Physcial Characteristics

Roughly 97-100 N/mm2 of Tensile Strength

Strength at Impact from Notching: 6.1 to 7.5 Kj/m2

The maximum continuous use temperature is 250 degrees Celsius, and the density ranges from 1.28 to 1.32 grams per cubic centimeter.

Toxicant Resistance

Alcohols **** Halogenated Hydrocarbons **** Aliphatic Hydrocarbons **** Aromatic Hydrocarbons **** Oils and Grease ****

Applications

In many high-performance, final-use contexts, PEEKTM polymers are employed instead of machined metals. These can be anything from silicon wafer carriers and connectors to sterile surgical equipment and medical implants, or any number of other specialized parts used in the automotive, aerospace, or industrial sectors.

Several Recent Case Studies 

Automotive

Using a powder coating method, STE, Germany, has created a novel cylinder head gasket that combines the outstanding performance features of VICTREX® PEEKTM polymer with PTFE.

Aerospace

The aircraft industry’s electrical and hydraulic cables require special protection; hence, PEEKTM polymer monofilaments for protective braiding were created.

Electrical

INDUSTRIAL A mobile phone’s coaxial connector features a switching jack made of PEEKTM polymer.

Greene Tweed, an industry pioneer in sealing technology, has created a carbon fiber-reinforced PEEKTM polymer composite labyrinth seal.

Medical

The aluminum finger and thumb grips on a self-aspirating dental cartridge syringe manufactured by Eclipse Dental Manufacturing have been successfully replaced with PEEKTM polymer.

The VICTREX® PEEKTM polymer brand is the only commercially available aromatic polyketone thermoplastic produced and supplied by Victrex. There is now a capacity of 2,300 tons per year, with another 500 tons planned for October of 2003.

Management at Victrex purchased the company in 1993 after it had previously been owned by ICI, turning it into a standalone business. Victrex plc was listed on the London Stock Exchange in December 1995, and it has since grown into a leading global innovator in high-performance materials.  Victrex plc supplies over 95% of its PEEKTM polymer to compounders, injection molders, original equipment manufacturers, and end-users across the world from its sales, technical, and production headquarters in Thornton Cleveleys, Lancashire. The Queen’s Award for Enterprise 2002 was given to Victrex plc in honor of the company’s extraordinary success in worldwide trading. The first came in 1987, and the second came in 1997; this is the third Queen’s Award for the company. Also learn about PEEK.

ABOUT AUTHOR

Rahul Verma

Rahul Verma is a Manager – Sales & Operations at Infinita Lab, where he has been working for the past three years. In this role, he works closely with customers to understand their material testing requirements and provides tailored testing solutions by coordinating with laboratories and technical teams. His work primarily focuses on customer engagement, project coordination, and helping clients identify the most appropriate analytical and characterization techniques for their materials.... Read More

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