PEI — Polyetherimide (PEI / Ultem-Grade) Pellets Supplier China | High-TempMedical / Aerospace
PEI (Polyetherimide, Ultem-grade equivalent) is a high-temp amorphous thermoplastic that is the top alternative to PEEK for medical / aerospace applications requiring transparency + USP VI compliance.
Key Properties of PEI
| Property | Value |
|---|
| **Full name** | Polyetherimide (Ultem-grade) |
|---|---|
| **Continuous service temp** | 170°C |
| **Tensile strength** | 100 MPa |
| **Glass transition (Tg)** | 215°C |
| **Transparency** | Transparent amber |
| **Flammability (UL94)** | V-0 |
| **USP Class VI** | Yes |
PEI Subdivisions
| Subdivision | Description | Application |
|---|
| PEI Natural (Unfilled) | Transparent amber | Medical / aerospace |
|---|---|---|
| PEI Glass-Filled (GF20/GF30) | High rigidity | Structural parts |
Applications of PEI
Medical Devices
- Medical instrument housings (USP VI medical grade)
- Sterilizable components (autoclave / EtO compatible)
- Surgical instrument handles
- High-temp medical parts
###Aerospace
- Aircraft interior structural
- High-temp aerospace parts
###Electronics
- High-temp SMT connectors
- LED lenses
- High-temp capacitors connectors
###Industrial
- Pump housings (transparent)
- High-temp connectors
- Steam sterilizable parts
Packaging
- Pellets: 25 kg / bag
- Pre-dried pellets (moisture-sensitive)
Contact — 24h Quote
Daishuming Lingli (代书命) — Founder & Sales Director
📱 +86-13922534393 | 📧 [email protected]
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