Beschreibung
Beschreibung
Our Graphite Filled PI (Polyimide) represents a high-performance modified engineering plastic, integrating PI’s inherent ultra-high temperature resistance and chemical stability with graphite’s superior self-lubricating properties and wear resistance. Engineered to outperform conventional PI, PEI (Polyetherimide), PPS, and PEEK in high-friction, extreme-heat environments, this precision-manufactured composite material delivers exceptional dimensional consistency and long-term reliability—ideal for global manufacturers seeking solutions to reduce friction, extend component lifespan, and ensure stability in critical high-demand applications.
Key Properties & Performance Advantages
- Ultra-High Thermal Stability: Maintains structural integrity at continuous service temperatures up to 300°C (short-term peak 400°C), surpassing PEI, PPS, and PEEK’s thermal limits for extreme heat workflows.
- Superior Self-Lubrication: Graphite filling reduces friction coefficient by 30-50% compared to unfilled PI, eliminating the need for additional lubrication in high-friction scenarios—lowering maintenance costs.
- Exceptional Wear Resistance: Graphite reinforcement enhances surface hardness and abrasion resistance, outperforming standard PI, PPS, and PEI in high-load, repetitive-motion applications.
- Robust Chemical Compatibility: Resists strong acids, bases, solvents, and industrial fluids, ensuring durability in corrosive environments where lubricants may degrade.
- Low Moisture Absorption & Warpage: Retains dimensional stability with minimal moisture uptake and warpage, critical for precision-machined components in harsh conditions.
- Radiation & Vacuum Resistance: Tolerates radiation and vacuum environments, suitable for aerospace, semiconductor, and nuclear industry applications.
Your Trusted Global Graphite Filled PI Partner
✅ Low MOQ & Rapid Global Shipping: Flexible minimum order quantities support prototyping, small-batch trials, and mass production—fast, trackable international delivery (DHL/FedEx/UPS) keeps your projects on schedule.
✅ Proactive Technical Collaboration: Our engineering team provides end-to-end support: material selection guidance, machining tips for graphite-filled composites (e.g., cutting/forming to preserve lubricity), and custom solutions for high-friction/high-heat pain points.
✅ Consistent High-Quality Supply: Guaranteed material traceability, ISO-certified production, and comprehensive PI material data sheets/chemical resistance charts for compliance and performance validation.
✅ Expedited Sample Service: Evaluate performance quickly with our fast sample program (shipping costs apply) to validate lubricity, wear resistance, and thermal stability before full-scale orders.
Primary Applications
- Aerospace & Defense: High-temperature bearings, bushings, and thermal shield components—leveraging self-lubrication and ultra-high heat resistance in vacuum/extreme environments.
- Semiconductor & Electronics: Wafer handling guides, high-purity process equipment parts, and high-temperature connectors—reducing friction-induced damage and ensuring cleanroom compatibility.
- Automotive & E-Mobility: Extreme-heat under-hood bearings, battery thermal management components, and electric drive system bushings—reliable in 250°C+ sustained workflows with minimal maintenance.
- Industrial Machinery: High-temperature seals, wear plates, gears, and conveyor components—eliminating lubrication needs in corrosive or hard-to-reach areas where PPS/PEI/PEEK fail.
- Medical Devices: Sterilizable (autoclave-compatible) bearings and high-temperature instrument parts—combining self-lubrication, chemical resistance, and biocompatibility.
Material Selection Guide: Graphite Filled PI vs. Unfilled PI vs. PPS vs. PEEK vs. PEI
| Feature | Graphite Filled PI | Unfilled PI | PPS Material | PEEK Material | PEI Material |
|---|---|---|---|---|---|
| Continuous Use Temp | Up to 300°C | Up to 300°C | Up to 260°C | Up to 260°C | Up to 170°C |
| Friction Coefficient | Low (self-lubricating) | Moderate | Moderate | Low | Moderate |
| Wear Resistance | Superior | Good | Excellent | Very Good | Moderate |
| Chemical Resistance | Excellent | Excellent | Excellent | Excellent | Moderate |
| Ideal For | High-friction/extreme heat, low-maintenance parts | Extreme heat/corrosion, general critical parts | High-heat industrial parts | High-performance mechanical parts | Mid-temperature, transparent parts |
Request Information & Samples
- Access Technical Data: Secure full Graphite Filled PI material data sheets, friction coefficient charts, and mechanical property specifications.
- Get a Custom Quote: Receive competitive pricing tailored to your volume, application, and global shipping requirements.
- Test the Material: Contact us to arrange expedited sample delivery for real-world validation of lubricity, wear resistance, and thermal stability in your specific use case.
