PI
PI (Polyimide) is a high-performance polymer containing imide groups. Known for exceptional heat resistance and mechanical strength, PI is widely used in aerospace, aviation, defense, and precision engineering applications.
Available in multiple grades—unfilled or reinforced with graphite, PTFE, or MOS2—PI is suitable for rods, tubes, sheets, and custom machined parts.
Vespel is the best-known brand name worldwide.
Key properties
- Temperature resistance: +300°C (short term +400°C)
- High stiffness and compressive strength
- Dimensional stability under high heat
- Flame retardant
- Low creep and minimal outgassing, ideal for vacuum applications
Product range
Vanéflon supplies rods, tubes and sheets in PI and its reinforced variants, available in a wide range of sizes and dimensions.
Our specialized team can provide precision-engineered machined parts, tailored to your technical requirements, ensuring high performance even under extreme conditions.
Why businesses choose Vanéflon
High-quality products
Extensive expertise in high-performance plastics ensures reliable materials from powder to finished component.
Technical support & service
One-on-one guidance for your projects, from material selection to machining.
Cost efficiency
Solutions optimized for performance and value.
Delivery reliability
Flexible logistics support to integrate seamlessly into your production.
Applications
- Aerospace and aviation components
- Precision mechanical parts and valve seats
- High-temperature electrical insulation
- Wear-resistant bearings and sliding elements
- Components for vacuum and semiconductor environments
Frequently asked questions
Contact us
Contact us to discuss your custom PI solution or to request a technical datasheet.
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