PES — Polyethersulfone (PES) Pellets Supplier China | Medical / Electronics / Food Contact
PES (Polyethersulfone, 聚醚砜) is an amorphous transparent thermoplastic offering:
- High heat resistance (180°C continuous)
- High transparency (transparent amber)
- Excellent hydrolysis resistance
- FDA / FDA-compliant food contact
Key Properties of PES
| Property | Value |
|---|
| **Full name** | Polyethersulfone |
|---|---|
| **Density** | 1.37 g/cm³ |
| **Tensile strength** | 70-90 MPa |
| **Heat deflection temp (HDT)** | 195-200°C |
| **Continuous service temp** | 180°C |
| **Glass transition temp (Tg)** | 220°C |
| **Transparency** | **Transparent amber** (87% light transmission) |
| **Flammability (UL94)** | V-0 |
| **Hydrolysis resistance** | Excellent (steam / hot water) |
Applications of PES
Medical Devices
- Medical instrument housings
- Sterilizable components (autoclave compatible)
- Dialysis components
- Surgical instrument handles
Electronics
- High-temp SMT connectors
- LED lens / housing
- Capacitor films
- High-temp PCB substrate
Food Contact / Beverage
- Beverage filtration membranes
- Food processing parts
- High-temp food-grade applications
Industrial
- Pump housings (transparent)
- Filter components
- High-temp sight glasses
Appliance
- Coffee machine parts
- High-temp connectors
- Steam sterilizable components
PES Subdivisions
| Subdivision | Description |
|---|
| PES Natural (Unfilled) | Transparent amber |
|---|---|
| PES Glass-Filled (GF20/GF30) | Higher rigidity / load-bearing |
| PES Carbon-Filled (CF20) | Black, conductive / ESD-safe |
| PES High-Viscosity | For extrusion / film |
Packaging
- Pellets: 25 kg / bag
- Film: Custom roll sizes
- Pre-dried pellets (moisture-sensitive)
Contact — 24h Quote
Daishuming Lingli (代书命) — Founder & Sales Director
📱 +86-13922534393 | 📧 [email protected]
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Need PES quote? 24h response.
Send: grade + quantity + application + destination. FOB Shanghai / CIF major ports. Free TDS / MSDS / RoHS / REACH.
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