Description
Key Properties & Performance Advantages
- Superior Thermal Stability & Flame Retardancy: Maintains structural integrity at 170°C continuous use (short-term up to 200°C) with inherent UL94 V-0 flame retardancy, eliminating fire risks and thermal deformation in high-heat applications like automotive under-hood components and electronic enclosures.
- Exceptional Dimensional Precision: Tight tolerance control (sheets: ±0.2–2.0mm; rods: ±0.3mm) and ultra-low moisture absorption prevent size deviation, ensuring perfect fit for CNC-machined parts and precision assemblies.
- Outstanding Chemical & Hydrolytic Resistance: Resists alcohols, solvents, acids, and hydrolysis, avoiding material degradation in harsh industrial fluids or humid environments—extending service life vs. moisture-sensitive plastics.
- High Mechanical Strength & Durability: Excellent tensile strength, rigidity, and creep resistance under load, suitable for load-bearing components, industrial fixtures, and wear-resistant parts without compromising lightweight performance.
- Versatile Processability: Compatible with CNC milling, turning, and precision cutting, adapting to complex custom fabrication for diverse industrial needs.
Your Trusted High-Performance PEI Partner
✅ Low MOQ Flexibility: Supports R&D prototyping and mass production with flexible minimum orders—no excessive inventory pressure for startups or large enterprises.
✅ Rapid Global Shipping: Industrial-grade moisture-proof packaging + expedited logistics, ensuring on-time delivery to worldwide destinations (3–7 business days for stock items).
✅ Proactive Collaboration: Custom cutting, thickness/length customization, and 24/7 technical guidance for material selection and machining optimization.
✅ Consistent Quality Assurance: Full PEI material data sheets, batch traceability, and performance validation—guaranteeing uniform quality across orders.
✅ Expedited Sample Service: Evaluate performance with fast international sample delivery (shipping & material costs apply).
Primary Applications
- Aerospace & Automotive: Lightweight structural parts, high-heat under-hood components, and precision tooling.
- Electronics & Semiconductors: Insulating enclosures, connector housings, and static-sensitive fixture parts.
- Medical & Industrial Machinery: Repeatable-sterilization equipment components, wear-resistant bushings, and fluid-handling parts.
- Precision Engineering: CNC-machined prototypes, low-volume production parts, and custom jigs/fixtures.
PEI vs. Conventional Engineering Plastics
| Feature | Industrial-Grade PEI | ABS/Nylon/Standard Plastics |
|---|---|---|
| Continuous Use Temp | 170°C | ≤90°C |
| Flame Retardancy | UL94 V-0 (inherent) | None/Needs Additives |
| Dimensional Stability | High (low moisture) | Low (prone to drift) |
| Chemical Resistance | Excellent | Poor/Moderate |
| Industrial Adaptability | High (harsh environments) | Low/Moderate |
Request Information & Samples
- Access detailed PEI material data sheets (specifications, performance charts).
- Get custom quotes tailored to volume, thickness, length, and cutting requirements.
- Arrange fast sample delivery for prototyping and performance validation.

