PI — Polyimide (PI) Resin Supplier China | Semiconductor / High-Purity Electronics / Film
PI (Polyimide, 聚酰亚胺) is the highest-temperature thermoplastic available, with continuous service temp up to 340°C and inherent flame retardance. Includes subdivisions for semiconductor-grade electronics and flexible film.
Key Properties of PI
| Property | Value |
|---|
| **Full name** | Polyimide |
|---|---|
| **Continuous service temp** | **340°C** (highest of commodity thermoplastics) |
| **Tensile strength** | 70-200 MPa (depending on subdivision) |
| **Flame rating (UL94)** | V-0 (inherent) |
| **Chemical resistance** | Excellent |
| **Radiation resistance** | Excellent (space / nuclear) |
| **Glass transition (Tg)** | 250-360°C |
PI Subdivisions (available grades)
| Subdivision | Description | Application |
|---|
| **PI (Polyimide standard)** | High-temp structural / aerospace | Space / nuclear / semiconductor |
|---|---|---|
| **TPI (Thermoplastic PI)** | Melt-processable | Extrusion / injection molding |
| **CPI (Copolyimide)** | Lower Tg, easier processable | Coatings / films |
| **PI Film** | High-purity film | Semiconductor wafer / flex PCB / aerospace insulation |
Applications of PI
Semiconductor / Electronics
- Wafer handling chucks
- High-purity electronics components
- Flexible printed circuits (PI Film)
- High-temp PCB substrate (PI Film)
Aerospace
- Aircraft wire insulation (PI Film)
- Aerospace structural parts
- High-temp adhesives (PI Film)
Space / Nuclear
- Spacecraft components
- Nuclear facility components
- Radiation-resistant parts
Industrial
- High-temp semiconductors (PI Film)
- Vacuum applications
- High-temp gaskets / seals
Packaging
- Pellets: 25 kg / bag
- Film: Roll sizes on request (PI Film standard, extended)
- Powder: Custom packaging
Contact — 24h Quote
Daishuming Lingli (代书命) — Founder & Sales Director
📱 +86-13922534393 | 📧 [email protected]
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