Delrin (Acetal) CNC keeps Consumer Products programs moving: Gears, pulleys, and cams with low friction and wear.
Mechanical: Ultimate Tensile Strength: 69 MPa. Steam-managed DFM validates each CNC Machining build package for Motion Components.
CNC Machining TechnologyMaterial OverviewPolymer
Delrin CNC MachiningLow Friction Engineering Plastic
Delrin (acetal) delivers excellent dimensional stability, low friction, and high fatigue resistance. CNC machining produces smooth, precise components ideal for motion hardware and wear surfaces.
Tensile Strength
69 MPa
Flexural Modulus
2900 MPa
Temperature Resistance
N/A
Technology
CNC Machining
CNC Machining Technology
Production-Ready
CNC Machining material
Delrin (Acetal) CNC overview
Delrin combines excellent machinability with low friction, making it ideal for CNC machined components that require smooth motion, tight tolerances, and wear resistance without lubrication.
Why manufacture with Delrin (Acetal) CNC
Delrin (Acetal) CNC combines outstanding dimensional stability and wear resistance and low friction for smooth motion components, delivering easily machined with crisp edges and smooth surfaces for demanding applications. From rapid prototyping to production runs, teams rely on Delrin (Acetal) CNC 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
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Manufactured in Forge Labs' North American production centers with serialized traceability for Delrin (Acetal) CNC.
Technical resources
Jump to data & downloads
Navigate directly to the property tables and grab the latest datasheet for your build review.
Applications & field work
Where Delrin (Acetal) CNC excels
Trusted for Automation and Consumer Products programs requiring outstanding dimensional stability and wear resistance. Property signals below show why teams rely on it when uptime matters.
Forge Labs Steam Platform
Manufacturing intelligence for Delrin (Acetal) CNC
Every CNC Machining build stays in sync inside Steam. Real-time DFM catches issues before production, instant quoting keeps timelines predictable.
Delrin (Acetal) CNC keeps Consumer Products programs moving: Soft jaws, nests, and non-marring fixtures.
Thermal: Thermal Conductivity: 0.31 W/m-K. Steam-managed DFM validates each CNC Machining build package for Fixtures and Jigs.
Delrin (Acetal) CNC keeps Consumer Products programs moving: Manifolds, valve bodies, and chemical resistant components.
Physical: Density: 1.41 g/cm3. Steam-managed DFM validates each CNC Machining build package for Fluid Handling.
Delrin (Acetal) CNC production examples
Delrin sample showing smooth machined finish
Material Sample
Complex pocketing achievable with stable acetal
Pocket Geometry
Multi-axis machining of engineering plastics
Machining Setup
Performance Dashboard
Technical performance for Delrin (Acetal) CNC
Delrin (Acetal) CNC delivers dependable strength and impact resistance for Precision gears and motion components and Soft jaws and protective fixtures, helping teams move from prototype to production with confidence.
Mechanical Properties
Ultimate Tensile Strength
69 MPa
Tested to ASTM D638
Delrin (Acetal) CNC records Ultimate Tensile Strength at 69 MPa, reinforcing its mechanical properties story.
Mechanical Properties
Yield Strength
63 MPa
Tested to ASTM D638
Delrin (Acetal) CNC records Yield Strength at 63 MPa, reinforcing its mechanical properties story.
Mechanical Properties
Flexural Strength
90 MPa
Delrin (Acetal) CNC records Flexural Strength at 90 MPa, reinforcing its mechanical properties story.
Delrin (Acetal) CNC combines Outstanding dimensional stability and wear resistance and Low friction for smooth motion components to support Precision gears and motion components and Soft jaws and protective fixtures that demand production-ready durability.
| Measurement | Delrin (Acetal) CNCBase | Standard |
|---|---|---|
| Ultimate Tensile Strength | 69 MPa | ASTM D638 |
| Yield Strength | 63 MPa | ASTM D638 |
| Flexural Strength | 90 MPa | — |
| Flexural Modulus | 2900 MPa | — |
| Elastic Modulus | 2.9 GPa | ASTM D790 |
| Elongation at Break | 40 % | ASTM D638 |
| Hardness | 120 Rockwell M | ASTM D785 |
Mechanical Performance
Mechanical Properties
Delrin (Acetal) CNC delivers dependable strength and impact resistance for Precision gears and motion components and Soft jaws and protective fixtures, helping teams move from prototype to production with confidence.
Delrin (Acetal) CNC 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 Precision gears and motion components, Soft jaws and protective fixtures, and Fluid handling manifolds, providing long-term durability in demanding environments. Delrin (Acetal) CNC 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 Automation, Consumer Products, and Medical. 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.
Delrin (Acetal) CNC combines Outstanding dimensional stability and wear resistance and Low friction for smooth motion components to support Precision gears and motion components and Soft jaws and protective fixtures that demand production-ready durability.
Key metric
Ultimate Tensile Strength
69 MPa
Tested to ASTM D638
Key metric
Yield Strength
63 MPa
Tested to ASTM D638
Key metric
Flexural Strength
90 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
Delrin (Acetal) CNC offers consistent density and surface quality so critical features hold tolerances and downstream finishing remains predictable.
Delrin (Acetal) CNC exhibits a density of 1.41 g/cm3 that contributes to lightweight yet durable parts. With moisture absorption of 0.20 %, ensures dimensional stability in varying environmental conditions.
These physical properties enable consistent part quality and predictable performance across Precision gears and motion components, Soft jaws and protective fixtures, and Fluid handling manifolds. The material's inherent characteristics minimize warpage and maintain tight tolerances throughout the part lifecycle.
For Automation, Consumer Products, and Medical, these physical attributes translate to reliable production outcomes with minimal post-processing requirements, ensuring parts meet specifications straight from the build platform.
Delrin (Acetal) CNC delivers 1.41 g/cm3 density so assemblies fit and finish without secondary rework.
Key metric
Density
1.41 g/cm3
Tested to ASTM D792
Key metric
Water Absorption (24h)
0.20 %
Tested to ASTM D570
Key metric
Coefficient of Friction
0.20
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
Delrin (Acetal) CNC maintains dimensional stability through temperature swings, making it a reliable option for Automation and Consumer Products programs that see repeated thermal cycling.
Delrin (Acetal) CNC 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 Precision gears and motion components, Soft jaws and protective fixtures, and Fluid handling manifolds that experience temperature fluctuations. Its ability to withstand thermal cycling without degradation ensures long-term reliability in Automation, Consumer Products, and Medical.
With an operating temperature range up to 107 °C, Delrin (Acetal) CNC provides engineers with confidence when designing parts for thermally demanding applications, from under-hood automotive components to industrial equipment exposed to heat sources.
Delrin (Acetal) CNC maintains geometry with a Glass Transition Temperature of -40 °C, protecting dimensional integrity during heat cycling.
Key metric
Thermal Conductivity
0.31 W/m-K
Tested to ASTM E1461
Key metric
Coefficient of Thermal Expansion
110 um/m-K
Tested to ASTM E831
Key metric
Continuous Service Temperature
107 °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
Delrin (Acetal) CNC provides predictable electrical behavior for housings and functional prototypes that need controlled resistivity and dielectric strength.
Delrin (Acetal) CNC 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 Precision gears and motion components, Soft jaws and protective fixtures, and Fluid handling manifolds where electrical performance is critical. The material maintains consistent electrical properties across its operating temperature range, ensuring stable performance in varying conditions.
For Automation, Consumer Products, and Medical requiring precise electrical behavior, Delrin (Acetal) CNC delivers the consistency and reliability needed for functional prototypes and production parts that interact with electrical systems.
Delrin (Acetal) CNC 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 Delrin (Acetal) CNC.
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 guideCompliance certificates
Keep your quality packet current with pre-approved certifications.
Advanced Manufacturing
Built with Precision CNC Machining Technology
Delrin (Acetal) CNC is manufactured using advanced CNC Machining technology, ensuring optimal material properties and dimensional accuracy.
Delrin (Acetal) CNC 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
DeburringPolishingThreadingUV stabilization
Frequently Asked Questions
Frequently asked questions about Delrin (Acetal) CNC
Can't find the answer you're looking for? Reach out to our customer support team.
- Delrin (Acetal) CNC is known for its outstanding dimensional stability and wear resistance, low friction for smooth motion components, easily machined with crisp edges and smooth surfaces, making it suitable for automation and consumer products applications.
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