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Custom CNC Machining PEI (Ultem) Parts
Expert manufacturing of high-performance PEI (Ultem) components with exceptional thermal stability, mechanical strength, and electrical insulation properties. Trusted by aerospace, medical, and industrial companies worldwide.
Why Choose PEI (Ultem) for Your Applications?
PEI (Polyetherimide) is a high-performance engineering thermoplastic offering exceptional properties for demanding applications
High Temperature Resistance
Continuous operating temperature up to 340°F (170°C) with excellent thermal stability and UL94 V-0 flame rating.
Superior Electrical Properties
Outstanding dielectric strength and electrical insulation properties, ideal for electrical and electronic components.
Exceptional Strength & Stiffness
High tensile strength and modulus with excellent creep resistance under continuous load at elevated temperatures.
Chemical Resistance
Excellent resistance to hydrolysis and most organic solvents, suitable for harsh chemical environments.
Biocompatibility
USP Class VI compliant and biocompatible, perfect for medical device applications requiring sterilization.
Excellent Machinability
Superior machining characteristics with minimal tool wear, achieving tight tolerances and excellent surface finishes.
Our PEI (Ultem) CNC Machining Process
State-of-the-art CNC machining capabilities delivering precision PEI components with superior quality
Design Analysis
Comprehensive DFM review and optimization for PEI machining requirements
Material Preparation
Precise cutting and preparation of high-grade PEI stock materials
CNC Machining
Advanced 3-axis and 5-axis CNC machining with optimized tooling
Quality Control
Comprehensive inspection and certification to meet specifications
Technical Specifications
PEI (Ultem) Applications Across Industries
Our precision-machined PEI components serve critical applications in demanding industries
Aerospace & Defense
Aircraft interior components, electrical housings, structural brackets, and radomes requiring high temperature and flame resistance.
- • Interior panels and ducting
- • Electrical connectors
- • Structural components
Medical Devices
Surgical instruments, sterilization trays, dental equipment, and implantable device components with biocompatibility requirements.
- • Surgical instrument handles
- • Sterilization containers
- • Diagnostic equipment parts
Electronics & Electrical
Semiconductor equipment parts, electrical insulators, connector housings, and high-temperature electronic assemblies.
- • Semiconductor wafer carriers
- • Electrical insulators
- • Connector components
Automotive Industry
Under-hood components, fuel system parts, transmission components, and electrical housings for harsh automotive environments.
- • Fuel system components
- • Transmission housings
- • Engine bay electrical parts
Industrial Equipment
High-temperature bearings, pump components, valve parts, and industrial machinery components requiring chemical resistance.
- • Pump impellers and housings
- • Valve components
- • Industrial bearings
Laboratory & Analytical
Laboratory equipment parts, analytical instrument components, and chromatography system parts requiring chemical inertness.
- • Chromatography components
- • Laboratory fixtures
- • Analytical instrument parts
PEI (Ultem) Material Grades Comparison
Comprehensive comparison of PEI grades with specifications, applications, and cost analysis
| Grade | Tensile Strength (MPa) | Flexural Modulus (GPa) | HDT @ 1.8MPa (°C) | Typical Applications | Cost Level |
|---|---|---|---|---|---|
| Ultem 1000 (PEI) | 105 | 3.2 | 200 | General purpose, electrical components | $$$ |
| Ultem 2100 (PEI) | 110 | 3.3 | 200 | Food contact, medical devices | $$$$ |
| Ultem 2300 (30% GF) | 150 | 6.2 | 210 | Structural components, aerospace | $$$$ |
| Ultem 2400 (30% CF) | 165 | 7.8 | 215 | High-strength structural parts | $$$$$ |
| Ultem 4001 (PEI) | 100 | 3.0 | 195 | Wire & cable, electrical insulation | $$$ |
| Ultem 9085 (FDM) | 75 | 2.1 | 186 | Prototyping, aerospace tooling | $$$$ |
| Ultem CRS5000 | 95 | 2.8 | 190 | Chemical resistant applications | $$$$$ |
Material Selection Guide
Cost Levels:
- $$$ – Standard grade, cost-effective
- $$$$ – Premium grade, specialized
- $$$$$ – High-end grade, advanced properties
Selection Criteria:
- • Consider operating temperature requirements
- • Evaluate mechanical strength needs
- • Check regulatory compliance (FDA, USP)
- • Balance performance vs. cost
Frequently Asked Questions
Common questions about our PEI (Ultem) CNC machining services
What tolerances can you achieve with PEI (Ultem) machining?
What is the typical lead time for PEI (Ultem) CNC machined parts?
Is PEI (Ultem) suitable for medical device applications?
What surface finishes are available for PEI machined parts?
Can you machine complex geometries in PEI (Ultem)?
What is the maximum part size you can machine in PEI?
Get Your PEI (Ultem) Quote Today
Ready to start your project? Contact our engineering team for expert guidance and competitive pricing on custom PEI machined parts.
Manufacturing Facility
Rongli Industrial Park, Dalang
Longhua District, Shenzhen, China
Email Us
info@rapidaccu.comQuality Certifications
ISO 9001:2015 Certified
15+ Years Manufacturing Experience
Quick Response
24-hour quote turnaround
Dedicated project management
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Precision PEI machining for critical applications