CNC Machining TechnologyPolymer

PEEK CNC MachiningHigh Performance Thermoplastic

PEEK offers exceptional chemical resistance, thermal stability, and mechanical strength, making it a premier choice for CNC machined components used in extreme environments.

Tensile Strength
100 MPa
Flexural Modulus
3600 MPa
Temperature Resistance
N/A
Technology
CNC Machining
PEEK (CNC Grade) 3D printed part example
CNC Machining Technology
Production-Ready
CNC Machining material

PEEK (CNC Grade) overview

CNC machined PEEK is used when thermal, chemical, and mechanical demands exceed the capabilities of standard plastics. It delivers exceptional stability for aerospace, medical, and oil and gas applications.

Why manufacture with PEEK (CNC Grade)

PEEK (CNC Grade) combines excellent thermal and chemical resistance and high strength-to-weight ratio for engineered plastics, delivering maintains properties at elevated temperatures for demanding applications. From rapid prototyping to production runs, teams rely on PEEK (CNC Grade) to maintain tight tolerances while reducing assembly complexity through consolidated part designs.

CNC Machining Production Technology

Dedicated additive manufacturing cells optimized for production throughput and dimensional control.

Build Volume

1000 x 600 x 500 mm

Max part size

Lead Time

12-16 business days

Standard production

Layer Height

N/A (subtractive)

Resolution

Upload your CAD files to our Steam platform for instant DFM analysis and pricing. Get manufacturing validation, cost breakdowns, and production timelines in seconds.

Manufactured in Forge Labs' North American production centers with serialized traceability for PEEK (CNC Grade).

PEEK (CNC Grade) SLA cube sample showing photopolymer surface finish
Technical resources

Jump to data & downloads

Navigate directly to the property tables and grab the latest datasheet for your build review.

Technical datasheet

Detailed specs for PEEK (CNC Grade).

Download PDFStart Steam quote
Applications & field work

Where PEEK (CNC Grade) excels

Trusted for Aerospace and Medical programs requiring excellent thermal and chemical resistance. Property signals below show why teams rely on it when uptime matters.

PEEK sample highlighting machined surface quality
Forge Labs Steam Platform

Manufacturing intelligence for PEEK (CNC Grade)

Every CNC Machining build stays in sync inside Steam. Real-time DFM catches issues before production, instant quoting keeps timelines predictable.

PEEK (CNC Grade) keeps Aerospace programs moving: Insulators, manifolds, and structural parts in thermal extremes.

Mechanical: Ultimate Tensile Strength: 100 MPa. Steam-managed DFM validates each CNC Machining build package for High Temperature Components.

PEEK (CNC Grade) keeps Aerospace programs moving: Pump components and valve seats for corrosive media.

Thermal: Thermal Conductivity: 0.25 W/m-K. Steam-managed DFM validates each CNC Machining build package for Chemical Resistant Hardware.

PEEK (CNC Grade) keeps Medical programs moving: Implantable instrument components and sterilizable fixtures.

Physical: Density: 1.30 g/cm3. Steam-managed DFM validates each CNC Machining build package for Medical Devices.

PEEK (CNC Grade) production examples

PEEK sample highlighting machined surface quality

PEEK sample highlighting machined surface quality

Material Sample

Precision CNC machining setup for advanced polymers

Precision CNC machining setup for advanced polymers

Machining Setup

Complex geometry illustrating thin wall machining

Complex geometry illustrating thin wall machining

Geometry Detailing

Performance Dashboard

Technical performance for PEEK (CNC Grade)

PEEK (CNC Grade) delivers dependable strength and impact resistance for Electrical and thermal insulators and High performance medical implants, helping teams move from prototype to production with confidence.

Mechanical Properties

Ultimate Tensile Strength

100 MPa

Tested to ASTM D638

PEEK (CNC Grade) records Ultimate Tensile Strength at 100 MPa, reinforcing its mechanical properties story.

Mechanical Properties

Yield Strength

95 MPa

Tested to ASTM D638

PEEK (CNC Grade) records Yield Strength at 95 MPa, reinforcing its mechanical properties story.

Mechanical Properties

Flexural Strength

145 MPa

PEEK (CNC Grade) records Flexural Strength at 145 MPa, reinforcing its mechanical properties story.

PEEK (CNC Grade) combines Excellent thermal and chemical resistance and High strength-to-weight ratio for engineered plastics to support Electrical and thermal insulators and High performance medical implants that demand production-ready durability.

Measurement
PEEK (CNC Grade)Base
Standard
Ultimate Tensile Strength100 MPaASTM D638
Yield Strength95 MPaASTM D638
Flexural Strength145 MPa
Flexural Modulus3600 MPa
Elastic Modulus3.6 GPaASTM D790
Elongation at Break20 %ASTM D638
Hardness115 Rockwell RASTM D785
Mechanical Performance

Mechanical Properties

PEEK (CNC Grade) delivers dependable strength and impact resistance for Electrical and thermal insulators and High performance medical implants, helping teams move from prototype to production with confidence.

PEEK (CNC Grade) delivers exceptional mechanical performance with excellent strength characteristics, effectively handling demanding load conditions. Its balanced mechanical profile allows it to maintain structural integrity while preventing brittleness in critical applications.

These qualities make it well-suited for Electrical and thermal insulators, High performance medical implants, and Downhole tool components, providing long-term durability in demanding environments. PEEK (CNC Grade) maintains dimensional stability over time, ensuring consistent performance across temperature and stress variations.

This makes it a reliable choice for applications requiring precise geometries and tight tolerances across Aerospace, Medical, and Oil and Gas. Its versatility and durability allow it to perform consistently across a wide range of mechanical applications, ensuring parts maintain their integrity under repetitive stress and environmental conditions.

PEEK (CNC Grade) combines Excellent thermal and chemical resistance and High strength-to-weight ratio for engineered plastics to support Electrical and thermal insulators and High performance medical implants that demand production-ready durability.

Key metric

Ultimate Tensile Strength

100 MPa

Tested to ASTM D638

Key metric

Yield Strength

95 MPa

Tested to ASTM D638

Key metric

Flexural Strength

145 MPa

Dive into the data

Detailed mechanical measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.

Material Makeup

Physical Properties

PEEK (CNC Grade) offers consistent density and surface quality so critical features hold tolerances and downstream finishing remains predictable.

PEEK (CNC Grade) exhibits a density of 1.30 g/cm3 that contributes to lightweight yet durable parts. With moisture absorption of 0.10 %, ensures dimensional stability in varying environmental conditions.

These physical properties enable consistent part quality and predictable performance across Electrical and thermal insulators, High performance medical implants, and Downhole tool components. The material's inherent characteristics minimize warpage and maintain tight tolerances throughout the part lifecycle.

For Aerospace, Medical, and Oil and Gas, these physical attributes translate to reliable production outcomes with minimal post-processing requirements, ensuring parts meet specifications straight from the build platform.

PEEK (CNC Grade) delivers 1.30 g/cm3 density so assemblies fit and finish without secondary rework.

Key metric

Density

1.30 g/cm3

Tested to ASTM D792

Key metric

Water Absorption (24h)

0.10 %

Tested to ASTM D570

Key metric

Coefficient of Friction

0.30

Tested to ASTM D1894

Dive into the data

Detailed physical properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.

Heat Performance

Thermal Properties

PEEK (CNC Grade) maintains dimensional stability through temperature swings, making it a reliable option for Aerospace and Medical programs that see repeated thermal cycling.

PEEK (CNC Grade) demonstrates excellent thermal stability with robust heat resistance, enabling it to maintain dimensional accuracy in elevated temperature environments. This thermal performance ensures parts retain their shape and mechanical properties even under thermal stress.

The material's thermal characteristics make it ideal for Electrical and thermal insulators, High performance medical implants, and Downhole tool components that experience temperature fluctuations. Its ability to withstand thermal cycling without degradation ensures long-term reliability in Aerospace, Medical, and Oil and Gas.

With an operating temperature range up to 250 °C, PEEK (CNC Grade) provides engineers with confidence when designing parts for thermally demanding applications, from under-hood automotive components to industrial equipment exposed to heat sources.

PEEK (CNC Grade) maintains geometry with a Continuous Service Temperature of 250 °C, protecting dimensional integrity during heat cycling.

Key metric

Thermal Conductivity

0.25 W/m-K

Tested to ASTM E1461

Key metric

Coefficient of Thermal Expansion

47 um/m-K

Tested to ASTM E831

Key metric

Continuous Service Temperature

250 °C

Tested to UL 746B

Dive into the data

Detailed thermal properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.

Functional Performance

Electrical Properties

PEEK (CNC Grade) provides predictable electrical behavior for housings and functional prototypes that need controlled resistivity and dielectric strength.

PEEK (CNC Grade) provides controlled electrical resistivity of 1.00e+13 ohm-cm, making it suitable for electrical housings and insulators. The material's insulation properties ensure reliable performance in electrical assemblies.

These electrical characteristics enable its use in Electrical and thermal insulators, High performance medical implants, and Downhole tool components where electrical performance is critical. The material maintains consistent electrical properties across its operating temperature range, ensuring stable performance in varying conditions.

For Aerospace, Medical, and Oil and Gas requiring precise electrical behavior, PEEK (CNC Grade) delivers the consistency and reliability needed for functional prototypes and production parts that interact with electrical systems.

PEEK (CNC Grade) posts 1.00e+13 ohm-cm Volume Resistivity, giving enclosures dependable insulating performance.

Key metric

Volume Resistivity

1.00e+13 ohm-cm

Tested to ASTM D257

Dive into the data

Detailed electrical properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.

Resources

Datasheets and design resources

Equip your team with certification packs, design guides, and spec sheets tailored to PEEK (CNC Grade).

Download center

Access the most recent datasheet and supporting documentation maintained by our engineering team.

Design guidelines

Explore printable geometry recommendations, wall thickness tips, and finishing playbooks for CNC Machining.

View CNC Machining design guide

Compliance certificates

Keep your quality packet current with pre-approved certifications.

Advanced Manufacturing

Built with Precision CNC Machining Technology

PEEK (CNC Grade) is manufactured using advanced CNC Machining technology, ensuring optimal material properties and dimensional accuracy.

CNC Machining Manufacturing Lab

PEEK (CNC Grade) runs on industrial FDM platforms with heated chambers, hardened extrusion paths, and qualified material profiles to guarantee consistent layer adhesion and mechanical integrity.

Process Parameters

Layer Height
N/A (subtractive)
Tolerance
+/- 0.050 mm typical
  • Build Volume: 1000 x 600 x 500 mm. Large production capacity enables efficient manufacturing of multiple parts or assemblies.
  • Quality Control. In-process monitoring and batch traceability ensure consistent part quality and material properties.

Finishing Options

DeburringAnnealingPolishingThreading
Frequently Asked Questions

Frequently asked questions about PEEK (CNC Grade)

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PEEK (CNC Grade) is known for its excellent thermal and chemical resistance, high strength-to-weight ratio for engineered plastics, maintains properties at elevated temperatures, making it suitable for aerospace and medical applications.

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