PSU — Polysulfone (PSU) Pellets Supplier China | Medical / Food / High-Temp
PSU (Polysulfone, 聚砜) is an amorphous transparent thermoplastic offering:
- High heat resistance (160°C continuous)
- High transparency (transparent)
- USP Class VI
- Excellent hydrolysis
Key Properties of PSU
| Property | Value |
|---|
| **Full name** | Polysulfone |
|---|---|
| **Density** | 1.24 g/cm³ |
| **Tensile strength** | 70 MPa |
| **Heat deflection temp (HDT)** | 174°C |
| **Continuous service temp** | 160°C |
| **Glass transition temp (Tg)** | 190°C |
| **Transparency** | Transparent amber |
| **Flammability (UL94)** | V-0 |
| **FDA / Food contact** | Yes |
| **Hydrolysis resistance** | Excellent |
Applications of PSU
Medical Devices
- Medical instrument housings (USP VI medical grade)
- Sterilizable components (autoclave / EtO compatible)
- Dialysis components
- IV connectors / filters
- Biopac membrane cleaning
Food / Beverage
- Beverage filtration membranes
- Food processing parts
- High-temp food applications
Electronics
- SMT capacitors connectors
- High-temp PCB substrate
- LED lenses
- Capacitor films
Industrial
- Pump housings (transparent)
- Filter components
- Steam sterilizable parts
Appliance
- Coffee machine components
- High-temp connectors
- Steam sterilizable parts
PSU Subdivisions
| Subdivision | Description |
|---|
| PSU Natural (Unfilled) | Transparent amber |
|---|---|
| PSU Glass-Filled (GF20/GF30) | High rigidity |
| PSU Carbon-Filled (CF20) | ESD-safe black |
Packaging
- Pellets: 25 kg / bag
- Film: Roll, custom size
- Pre-dried pellets (moisture-sensitive)
Contact — 24h Quote
Daishuming Lingli (代书命) — Founder & Sales Director
📱 +86-13922534393 |📧 [email protected]
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