High-Performance PEEK CNC Machining Solutions

PEEK (Polyether Ether Ketone) is a premium thermoplastic known for its remarkable strength, high thermal stability, and chemical resistance. Ideal for high-performance applications, we offer precise CNC machining to create PEEK components that meet demanding industry standards

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About PEEK Material

PEEK (Polyether Ether Ketone) is a high-performance thermoplastic known for its outstanding strength-to-weight ratio, excellent resistance to high temperatures, and remarkable chemical stability. It is commonly used in industries requiring precision and durability, such as aerospace, automotive, medical, and electronics. With its excellent machinability and resistance to harsh environments, PEEK can withstand continuous operating temperatures of up to 260°C (500°F) and maintain its structural integrity even under extreme conditions

• High mechanical strength
• Temperature resistance
• Chemical resistance
• Electrical insulation
• Low friction

Common PEEK Grades

PEEK (Polyether Ether Ketone) comes in a variety of grades, each tailored to meet the specific requirements of different industries. Below are the most commonly used grades in CNC machining, each providing unique properties for demanding applications

PEEK 450G

PEEK 450G is a standard grade of PEEK polymer produced by , designed with a specific molecular weight range. This molecular weight determines the polymer’s overall properties, including rigidity, strength, toughness, crystallinity, and flow characteristics. The 450G grade offers a balance of strength and machinability, making it an excellent option for a wide range of industries

PEEK GF30

PEEK GF30 is a glass-filled grade, incorporating 30% glass fiber reinforcement. This modification improves the material’s rigidity, tensile strength, and thermal stability while maintaining good chemical resistance. The added glass fiber makes this grade ideal for heavy-duty applications requiring enhanced structural properties

PEEK 1000

PEEK 1000 has a higher crystallinity compared to standard PEEK grades, which provides enhanced rigidity and thermal stability. This grade is particularly suited for high-temperature applications, where materials must maintain performance in extreme conditions. PEEK 1000 also exhibits better wear resistance due to its increased rigidity

PEEK CMX

PEEK CMX is a modified version of standard PEEK, engineered for improved machinability and reduced wear. The grade is designed to provide enhanced performance in terms of its ability to be easily processed while still offering outstanding mechanical properties. It is ideal for precision applications where machinability and durability are key considerations

PEEK Grade Comparison Table

PEEK (Polyether Ether Ketone) is a high-performance thermoplastic material renowned for its excellent mechanical properties, chemical resistance, and thermal stability. Below is a comparison of the most common PEEK grades used in CNC machining

Property	PEEK 450G	PEEK GF30	PEEK 1000	PEEK CMX
Tensile Strength (MPa)	90	130	115	110
Flexural Strength (MPa)	130	190	170	160
Elastic Modulus (GPa)	3.6	8	4.3	6.5
Charpy Notch Impact Strength (kJ/m²)	4	4.5	3.5	3
Rockwell Hardness (14)	105	110	105	100
Heat Deflection Temperature (°C)	315	320	300	280
Wear Rate (µm/km)	5	3	2	4
Dynamic Friction Coefficient (-)	0.3-0.5	0.2-0.4	0.3-0.5	0.25-0.45

PEEK Applications

PEEK (Polyether Ether Ketone) is a high-performance thermoplastic that stands out for its exceptional mechanical, thermal, and chemical properties. It is ideal for applications requiring materials that can withstand harsh environments, extreme temperatures, and demanding mechanical stresses

Aerospace

PEEK is commonly used in aerospace applications due to its excellent strength-to-weight ratio, high-temperature stability, and resistance to chemicals. Common uses in aerospace include:

•Engine components: High-performance seals, gaskets, and bearing materials that can withstand extreme pressures and temperatures.

•Fuel systems: Fuel lines, valves, and pumps where PEEK’s resistance to fuel and heat ensures durability.

•Structural components: Brackets, bushings, and mounting hardware that require high strength and low weight.

Medical Devices

The medical industry relies on PEEK for parts that need to meet strict safety and performance standards, especially in surgical and diagnostic instruments. Applications include:
• Surgical tools and instruments: PEEK’s biocompatibility and sterilizability make it ideal for tools used in surgeries.
• Spinal implants: PEEK is used for implants like interbody fusion devices due to its excellent mechanical strength and fatigue resistance.
• Prosthetics: Custom prosthetic components made from PEEK provide durability and comfort.

Automotive

In automotive manufacturing, PEEK is used for high-performance components that require strength, wear resistance, and heat stability. Common applications include:

•Brake components: Pads, linings, and rotors that need to withstand extreme friction and temperature conditions.

•Fuel components: Fuel pumps and injectors made from PEEK offer high resistance to heat and fuel corrosion.

•Engine parts: Seals, gaskets, and valve parts that must perform under high heat and pressure.

Electronics

PEEK’s excellent electrical insulating properties, combined with its durability, make it a preferred material for electrical and electronic components, including:
• Connector insulators: Components requiring precise insulation and high-temperature resistance.
• Switches and relays: PEEK is used to create durable and heat-resistant parts for critical electronic systems.
• Heat shields: Protecting sensitive components from high temperatures with PEEK’s thermal stability.

Industrial Equipment

PEEK’s versatility extends into industrial manufacturing, where it is used in high-performance machinery components. Applications include:
• Bearings and bushings: PEEK is used for heavy-duty machinery bearings due to its low wear rate and ability to handle high loads.
• Seals and gaskets: Seals that need to withstand extreme temperatures and chemical exposure, making them ideal for use in pumps, motors, and other industrial systems.
• Valves and pumps: PEEK components help to ensure fluid control systems are efficient and leak-free under harsh conditions.

Food Processing & Packaging

PEEK is also used in the food processing industry where hygiene and durability are paramount. Applications include:
• Packaging machinery parts: PEEK’s non-reactive properties make it ideal for food processing and packaging equipment that require frequent sterilization.
• Food handling tools: PEEK is used in non-stick components, which are essential for food handling and machinery that come into contact with edible products.

Semiconductor Manufacturing

In semiconductor manufacturing, precision and reliability are key. PEEK is used in various critical components such as:
• Wafer handling parts: Components in wafer processing machines require high precision and heat resistance, both of which are provided by PEEK.
• Cleanroom applications: PEEK’s low outgassing property makes it suitable for cleanroom environments, helping to maintain the integrity of semiconductor manufacturing.

FAQ

Q: What is PEEK, and why is it used in CNC machining?
• PEEK is a high-performance thermoplastic known for its excellent strength, high temperature resistance, and chemical stability. It is used in CNC machining for precision parts that need to withstand extreme conditions.

Q: What are the advantages of using PEEK in high-temperature environments?
• PEEK has excellent thermal stability, able to resist temperatures up to 260°C (500°F), making it ideal for applications like aerospace and automotive components.

Q: Can PEEK be used in medical applications?
• Yes, PEEK is biocompatible, making it suitable for medical devices such as implants, surgical instruments, and diagnostic equipment.

Q: What are the different grades of PEEK material, and how do they differ?
• PEEK comes in various grades, such as PEEK 450G, PEEK GF30, and PEEK 1000, each offering unique properties like enhanced wear resistance, higher