PEEK
Product full identity:
Polyetheretherketone
PEEK is a high performance, food approved material. It exhibits excellent chemical resistance, very good dielectric properties (up to +250) and a very good resistance to a wide range of radiation. PEEK is also fire rated - self extinguishing.
Properties
- Outstanding temperature range (+250 to -40°C)
- Excellent creep resistance
- Very high strength and dimensional stability
- Excellent chemical resistance
- Fire rated - self extinguishing
- Food contact approved.
Applications
- Bearings
- Piston parts
- Pump and compressor parts
- All high temperature and demanding environments.
Forms
- Sheet
- Rod
Technical Properties:
All information is for guide purposes only. The data has been taken from standard test results provided by our manufacturers.
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Specific gravity | g/cm³ | ISO 1183-1 | 1.31 |
| Water absorption till saturation 23°C | % | 0.45 | |
| Maximum service temp. Upper temp limit - Long term | °C | 250 | |
| Lower temp limit | °C | -50 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Tensile strength | MPa | ISO 527-1/-2 | 115 |
| Elongation at yield | % | ISO 527-1/-2 | 5 |
| Tensile strength at break | MPa | ISO 527-1/-2 | 17 |
| Unnotched Impact strength | kJ/m² | ISO 179-1/1eU | no break |
| Notch impact strength | kJ/m² | ISO 179-1/1eA | 3.50 |
| Ball indentation / Rockwell hardness | MPa | ISO 2039-2 | 105 |
| Tensile modulus of elasticity | MPa | ISO 527-1/-2 | 4300 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Volume resistivity | Ω x m | IEC 62631-3-1 | > 1013 |
| Surface resistivity | Ω | ANSI/ESD STM11.11 | > 1012 |
| Dielectric strength | kV/mm | IEC 60243-1 | 24 |
| Dielectric constant at 1MHz | IEC 62631-2-1 | 3.20 | |
| Dielectric loss factor at 1 MHz | IEC 62631-2-1 | 0.002 | |
| Dielectric constant at 1MHz | IEC 62631-2-1 | 3.20 | |
| Dielectric loss factor at 1 MHz | IEC 62631-2-1 | 0.002 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Heat deflection temperature HDT/B | °C | ISO 75-1/-2 | 160 |
| Coefficient of linear thermal expansion 23°C - 100°C | m/(m.K) | 50 x 10-6 | |
| Thermal conductivity at 23°C | W/mK | 0.25 |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Food compliance - FDA | FDA | yes | |
| Food compliance - EU | EU 10/2011 | yes | |
| Food compliance - FDA | FDA | yes | |
| Food compliance - EU | EU 10/2011 | yes |
| Property | Unit | Test Method | Value |
|---|---|---|---|
| Fire performance | UL 94 | V-0 | |
| Fire performance | UL 94 | V-0 |
| Property | Unit | Test Method | Value |
|---|