PEEK
PEEK, or Polyether ether ketone, belongs to the class of engineering thermoplastics that are known to possess remarkable chemical resistance and mechanical strength. This thermoplastic polymer is part of the family of polyaryletherketone (PAEK) and is extensively used in engineering because of its high temperature resistance and stability.
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Engineering thermoplastic with high performance.
PEEK or Polyether ether ketone.
CNC routing, milling, vacuum forming, and die cutting are among the processes with which PEEK is compatible. This makes PEEK relatively easy to machine and fabricate for industrial uses.
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Peek Properties
Mechanical Properties
- Tensile Strength: 14 superscript3 psi 14,000.
- Tensile Modulus of Elasticity: 490,000 psi.
- Tensile Elongation: 60 Percentage.
- Flexural Strength: 24,600 psi.
- Flexural Modulus of Elasticity: 590,000 psi
- Compressive Strength: Not given.
- Hardness: M105, R126, Shore D 85.
- Izod impact (notched): 1.6 ft-lbs/in.
Physical Properties
- Specific Gravity: 1.32.
- Water Absorption (24 hours immersion): 0.50 Percentage.
Thermal Properties
- Coefficient of Linear Thermal Expansion: 2.6 x 10^-5 in/in/°F.
- Heat Deflection Temperature (264psi): 306 Degree F.
- Maximum Continuous Service Temperature in Air: 480 Degree Fahrenheit.
Electrical Properties
Dielectric Strength: 480 V/mil.
Post Treatments
The flexible PEEK thermoplastic can be subjected to several post curing treatments such as machining to reach desired specifications. It can be routered, milled, vacuum formed and die cut for the generation of individual and component parts using CNC techniques.
Common Applications
- Parts for semiconductor processing systems
- Aerospace Components
- Bushing, Bearing, Seal and Backup Rings
- Pump & Valve parts
- Vacuum Cleaner Wand Handles
- Downhole Electrical Arrester Connectors
- Medical Device Components
- Food Industry Equipment Parts
Recommended Reading
Frequently Asked Questions (FAQs)
Q: What is it that PEEK represents of what you describe, and one should, what are its predominant uses?
A: PEEK (Polyetheretherketone) is a thermoplastic engineering plastic that is known for its performance and can improve various engineering applications. It is mostly used in the aerospace, automotive and medical fields due to its ability to withstand high temperatures, is resistant to chemicals, and has great strength. In PEEK’s work the production of articles for use in airplanes, implants, or instruments for O&G extraction.
Q: Where does PEEK’s position in regard to the rest of high-performance polymers come up?
A: PEEK is often perceived as the apex of the high-performance polymers. More so, it is undoubtedly on top of many organic polymers in terms of mechanical and thermal advantages, setting a high record in performance. Speaking about PEEK, one might be confused whether it is plastic, as this material exhibits exceptional combination of strength, heat and chemical resistance which is required a lot in the scope of applications which is more than met by other materials.
Q: List the main material properties of PEEK.
A: PEEK has a very good range of thermal and mechanical properties that make it suitable for demanding environments. It can withstand constant exposure to temperatures as high as 260 degrees Celsius without losing its strength and dimensional stability, is able to resist wear and corrosive chemicals, and has a high strength/ weight ratio. Thus, these properties of PEEK make it excellent in harsh working conditions in the aerospace, automobile, and industrial sectors, ensuring reliable service.
Q: Are there online resources available for learning about PEEK and its applications?
A: Yes, you can find many useful online sources to learn the properties and applications of PEEK. Most of the reputable polymer manufacturers and distributors have their websites with a wealth of data sheets, application manuals, and technical information on various polymers. In addition, a lot of information about the applications of PEEK in various fields can be found on engineering sites and in academic databases, providing a comprehensive tour of its capabilities.
Q: How is PEEK processed and what technologies are used in its manufacturing to improve efficiency and effectiveness?
A: Different methods are employed in PEEK processing and they range from injection molding, extrusion to various additive manufacturing techniques such as 3D printing. It is also prevalent to machine the PEEK components by the way of CNC milling to enhance the service quality of the final products. More developed processing methods such as vacuum forming and compression molding are used for some applications. Factors such as the configuration of the part, the amount of production, and the use of the part determine the method of processing.
Q: What are some unique applications of PEEK in aerospace industry?
A: Within the aeronautics domain, PEEK finds use in producing weight efficient components able to bear excessive heat and other unfavorable conditions. The devote applications relates to such parts as aircraft cabin equipment, electrical connectors, and elements of the fuel systems. Particularly in the field of aerospace engineering where each gram makes a difference, PEEK can help design parts that are weight-efficient but strong, making it a valuable activity in modern engineering.
Q: PEEK is a morphing engineering polymer, is it possible to use it in medicine, and how?
A: Yes, PEEK has a wide range of applications in medicine due to its bio-safety and its advanced method of sterilization, which significantly improves patient outcomes. It is incorporated in spinal fusions and spine fusion devices, dental and orthopedic implants, which significantly improve patient care and outcomes. Because they are easily visualized in x-ray and CT scan, PEEK materials are very useful for long-term implants and improve diagnostic accuracy. In addition to that, PEEK has many other approved medical usages by the FDA, which leaves PEEK material even more promising in the medical field.
Q: PEEK plastics find wide spout within the horizon of engineering. How does PEEK ADD VALUE to this LIMITING EXTREME AREAS OF ENGINEERING?
A: From a unique perspective of the application of materials in engineering, PEEK helps in enveloping some of the engineering applications in a more sensible way, referring to extreme applications that require innovative packages. It has the ability to operate in temperatures as high as 260 degrees Celsius, providing high mechanical strength and chemical resistance that can jump above traditional materials. That is why it is used in oil and gas, deep sea and space application. PEEK s are exceedingly resistant to destructive substances, enduring pressures and heat sustained by enveloping others.