PEEK (polyetheretherketone) is a high-performance engineering plastic that offers outstanding resistance to harsh chemicals and excellent mechanical strength and dimensional stability. It is commonly used in advanced engineering applications such as semiconductor machinery components, aerospace parts, bushings, bearings, seals, and back-up rings, pump and valve components, vacuum wand handles, down hole electrical connectors, medical instrument parts, and food processing machinery components. PEEK is known for its strong and stiff properties, chemical resistance, hydrolysis resistance, and autoclavability. It is also easy to machine and fabricate, and it exhibits good mechanical properties at elevated temperatures. Some common brands of PEEK include TECAPEEK®, SustaPEEK, and Ketron®. PEEK is available in various forms such as sheet, rod, and tube. It has a UL 94 V-0 flammability rating and low smoke and toxic gas emissions when exposed to flame.
Key Takeaways:
- PEEK (polyetheretherketone) is a high-performance engineering plastic with outstanding resistance to harsh chemicals and excellent mechanical properties.
- PEEK is commonly used in advanced engineering applications across various industries.
- PEEK exhibits strong and stiff properties, chemical resistance, hydrolysis resistance, and autoclavability.
- PEEK is easy to machine and fabricate and has good mechanical properties at elevated temperatures.
- PEEK is available in different forms such as sheet, rod, and tube.
PEEK Material Properties
The material properties of PEEK vary depending on its composition. Virgin PEEK (unfilled) is naturally abrasion resistant, while glass-filled PEEK offers enhanced mechanical and thermal properties. The addition of carbon fibers to PEEK enhances its compressive strength and stiffness.
Here are some key material properties of PEEK:
Strength and Resistance
- High strength-to-weight ratio
- Excellent chemical resistance
- Low moisture absorption
- Good wear and abrasion resistance
- Unaffected by continuous exposure to hot water or steam
Mechanical Properties
- High tensile strength
- Flexural strength
- Impact resistance
- Low coefficient of friction
Thermal Properties
- High heat deflection temperature
- Wide range of operating temperatures
- Good thermal conductivity
- Excellent dielectric properties
These material properties make PEEK a versatile and reliable choice for a wide range of applications.
| Material Property | Property Description |
|---|---|
| Abrasion Resistance | Naturally abrasion resistant |
| Mechanical Properties | High strength-to-weight ratio, excellent chemical resistance, low moisture absorption, good wear and abrasion resistance, unaffected by continuous exposure to hot water or steam |
| Tensile Strength | High tensile strength |
| Flexural Strength | Flexural strength |
| Impact Resistance | Impact resistance |
| Friction Coefficient | Low coefficient of friction |
| Heat Deflection Temperature | High heat deflection temperature |
| Operating Temperatures | Wide range of operating temperatures |
| Thermal Conductivity | Good thermal conductivity |
| Dielectric Properties | Excellent dielectric properties |
PEEK Material Specifications
When it comes to PEEK (polyetheretherketone), the specifications can vary depending on the specific grade and brand. Nonetheless, here are some typical specifications for different forms and compositions of PEEK:
Virgin PEEK Specifications
| Property | Value |
|---|---|
| Tensile Strength | 90 MPa |
| Flexural Strength | 150 MPa |
| Compressive Strength | 100 MPa |
| Modulus of Elasticity | 3,500 MPa |
| Hardness (Rockwell M) | 100 |
| Thermal Conductivity | 0.25 W/m·K |
Glass-Filled PEEK Specifications
| Property | Value |
|---|---|
| Tensile Strength | 150 MPa |
| Flexural Strength | 230 MPa |
| Compressive Strength | 200 MPa |
| Modulus of Elasticity | 9,500 MPa |
| Hardness (Rockwell M) | 110 |
| Thermal Conductivity | 0.30 W/m·K |
Carbon-Fiber Reinforced PEEK Specifications
| Property | Value |
|---|---|
| Tensile Strength | 200 MPa |
| Flexural Strength | 320 MPa |
| Compressive Strength | 260 MPa |
| Modulus of Elasticity | 20,000 MPa |
| Hardness (Rockwell M) | 120 |
| Thermal Conductivity | 0.35 W/m·K |
These specifications provide a general overview of the mechanical and thermal properties of various PEEK compositions. It’s important to refer to the specific datasheet of the PEEK grade being considered, as detailed information may vary. For the complete PEEK material specifications and more in-depth information, you can download the PEEK datasheet here.
PEEK Material Applications
PEEK is known for its exceptional properties, making it a versatile material for a wide range of industries and applications. Its unique combination of strength, chemical resistance, and dimensional stability makes it ideal for demanding environments. Some key applications of PEEK include:
- Medical Devices: PEEK is commonly used in the manufacturing of implants, surgical instruments, and components for medical devices. Its biocompatibility, sterilizability, and resistance to bodily fluids make it suitable for use in orthopedics, dental, and cardiovascular applications.
- Aerospace: PEEK’s lightweight yet robust nature makes it a preferred choice for aerospace applications. It is used in aircraft components such as brackets, fittings, electrical connectors, and interior panels. PEEK’s high strength-to-weight ratio and resistance to extreme temperatures contribute to its reliability in aerospace engineering.
- Automotive: PEEK finds applications in the automotive industry for parts that require excellent chemical resistance, high-temperature performance, and durability. It is used in fuel system components, electrical connectors, engine parts, sensors, and interior components.
- Electronics: PEEK’s electrical insulation properties, resistance to chemicals and high temperatures, and dimensional stability make it suitable for electronics applications. It is used in connectors, insulators, circuit boards, and housings for various electronic devices.
- Oil and Gas: PEEK’s resistance to chemicals, hydrolysis, and high pressures make it an ideal material for oil and gas applications. It is used for seals, gaskets, valves, pump components, and downhole tools.
- Food Processing: PEEK’s excellent chemical resistance, low moisture absorption, and FDA compliance make it suitable for food processing applications. It is used in components such as conveyor belts, wear strips, guide rails, and food machinery parts.
- Chemical Processing: PEEK’s resistance to a wide range of chemicals, including corrosive substances, makes it well-suited for use in chemical processing environments. It is used in valves, pumps, seals, gaskets, and other critical components.
- Industrial Equipment: PEEK is widely used in various industrial equipment applications. Its excellent mechanical properties, chemical resistance, and dimensional stability make it suitable for gears, bushings, bearings, rollers, and other machine components that require high performance and reliability.
These are just a few examples of the many applications where PEEK proves its worth. Its versatility and exceptional properties continue to drive its demand across different industries, enabling innovation and reliable performance in challenging environments.
In Summary: PEEK Material Data Sheet
PEEK (polyetheretherketone) is a high-performance engineering plastic with exceptional properties, making it ideal for advanced engineering applications. It offers outstanding resistance to harsh chemicals, excellent mechanical strength and dimensional stability, and is suitable for use in a wide range of temperatures.
PEEK is extensively used in industries such as semiconductor, aerospace, medical, and food processing due to its strength, stiffness, chemical resistance, and ease of machining. It is known for its strong and stiff properties, as well as its resistance to hydrolysis and autoclavability.
Understanding the material properties and specifications of PEEK is crucial for designing and selecting the appropriate grade for specific applications. By referring to a comprehensive PEEK material data sheet, engineers and manufacturers can ensure they have the necessary information about its characteristics, properties, and information. This allows them to make informed decisions about the suitability of PEEK for their projects and ensure optimal performance and reliability.
FAQ
What is PEEK?
PEEK (polyetheretherketone) is a high-performance engineering plastic with outstanding resistance to harsh chemicals, excellent mechanical strength, and dimensional stability.
What are the common applications of PEEK?
PEEK is commonly used in advanced engineering applications such as semiconductor machinery components, aerospace parts, bushings, bearings, seals and back-up rings, pump and valve components, vacuum wand handles, down hole electrical connectors, medical instrument parts, and food processing machinery components.
What are the key properties of PEEK?
PEEK exhibits strong and stiff properties, chemical resistance, hydrolysis resistance, and autoclavability. It is also easy to machine and fabricate, and it exhibits good mechanical properties at elevated temperatures.
What are some common brands of PEEK?
Some common brands of PEEK include TECAPEEK®, SustaPEEK, and Ketron®.
In what forms is PEEK available?
PEEK is available in various forms such as sheet, rod, and tube.
What are the specifications of PEEK?
The specifications of PEEK can vary based on the specific grade and brand. However, it has a UL 94 V-0 flammability rating and low smoke and toxic gas emissions when exposed to flame.
The post PEEK Material Data Sheet: Essential Info & Specs first appeared on OcaFlex Engineering.
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