PEEK
PolyEtherEtherKetone
PEEK is a highly crystalline thermoplastic with excellent properties making it an ideal material for medical, electrical and electronic industries. Also makes great pump, compressor, valve seat, and housing applications. Rated as ‘Best’ or nearly the best in all mechanical properties of plastic materials. It carries UL 94-V-0 flammability rating and is FDA approved for food contact.
VICTREX® is the leading supplier of this specialty resin, although the name PEEK is the generic for the resin. This range of materials also includes: Avaspire PAEK and PEKK grades which offer similar but improved property ranges in either impact, heat or stress applications.
Still not sure PEEK is the proper material for your application, consult our free Plastic Materials Selection Guide.
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Why you should use PEEK:
- It has Excellent Chemical Resistance
- Has Extremely High Continuous Temperature – to 480ºF
- Is Outstanding Wear Resistance and Low Moisture Absorption
- Has Good Dimensional Stability
This materials is…an excellent machining material – a favorite of machinists. Works like a soft brass, and has exceptional dimensional stability.
- Excellent Machining
- Low co-efficient of Friction / Superior Wear Resistance
- Dimensionally stable
- Very low moisture resistance
- Outstanding Wear Resistance and Excellent Dimensional Stability
- Is USP Class VI approved – upon factory request (per batch)
Still not sure PEEK is the proper material for your application, consult our free Plastic Materials Selection Guide.
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Applications – Frequently used in:

- Steam Valves, Seals and Equipment
- Semi-Conductor Machine Components
- Autoclave applications – Resists Hydrolysis Under Super Heated Steam/Water
- Chemical Pump Gears and Wear Plates
- Medical, Surgical and Aerospace parts
- High Temperature Insulation, Bearings and Rollers
- Plasma Arc Torch Bodies
Contact us for more information on all the other grades in the Ketone family. While it solves many demanding engineering requirements, it is also rather expensive. Most clients choose these resins as a last resort, but if your design calls for high heat, high chemical resistance, excellent dimensional stability, excellent wear resistance and/or USP certification, these are an excellent solution. VICTREX® has been at the forefront of high performance plastic materials, with PEEK being their flag-ship product line. Mil-P-46183 is most common specification associated with PEEK, call for additional information.
Still not sure PEEK is the proper material for your application, consult our free Plastic Materials Selection Guide.

These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.
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Materials Available As:
Sheet, Rod, Tube and Film:
Rod:
.250″ – 6.0″+ Diameter
Sheet:
.250″ – 4.0″+ Thickness
Tubular Bar:
Up to 36″ OD – call with your requirements.
Special Formulations:
Non-Standard sizes, colors, glass filled and bearing grades
These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.
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PEEK Sheet and PEEK Rods are a common plastic ‘building block’, used in numerous applications. From model making to FDA compliant parts. In stock and ready to ship, cut to size or we can provide ‘blanks’ to ease your production.
Typical Resin Properties:
| General Property |
ASTM Test |
Typical Value |
| Specific Gravity |
D792 |
1.32 |
| Tensile Strength Yield |
D638 |
14,500 |
| Tensile Modulus |
D638 |
522,000 |
| Izod Impact – Notched |
D256 |
1.57 |
| Hardness – Rockwell |
D785 |
M-99 /R-126 |
| Continuous Use Temp |
UL |
480 |
| Deflection Temp @ 264psi |
D648 |
320 |
| Co. Thermal Expansion |
D696 |
2.6 X 10-5 |
These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied
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“We tried about a dozen materials for our processing paddle. We really didn’t want to go to PEEK, because we knew it was expensive, but after trying all those other plastics – that failed, we moved to the PEEK you recommend at the beginning. We should have used that and save the time and money we wasted on materials that didn’t work. Thank you for sticking with it, it works great now.” – Brian G.
“What a miraculous material. It takes the heat, the chemicals and the friction, and keeps on going. Works really well in harsh chemical.” – Eric S.
Here is the Pricing Section. Click on ‘Sheet’ or ‘Rod’ Price Pages Below.

These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.
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