Le PEEK offre une résistance chimique quasi universelle : excellente tenue aux acides concentrés, bases, solvants organiques, huiles et carburants. Seuls les acides forts oxydants (H2SO4 concentré, HNO3 fumant) et les solvants très polaires à chaud peuvent l'affecter.
PEEK (Polyetheretherketone) – carbon fibres
PEEK
PEEK (polyetheretherketone) – carbon fibres
Polyketone (PK)
Reinforced carbon fibres
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Injection Moulding
Transparent Food Contact Recycled Biobased flame-retardant UV resistant
✓ This material meets the criteria ~ Specialized grades may meet this criteria
Quality Scores
Mechanics
Thermal
Chemical
UV ageing
Injection moulding difficulty
Recycling
Performance profile
Mechanical properties
| Density | 1.36 to 1.47 g/cm³ ISO 1183 |
|---|---|
| Charpy notched impact | 4.8 to 8.0 kJ/m2 |
| Flexural modulus | 8660 to 37000 MPa ISO 178 |
| Flexural resistance | 260 MPa |
| Tensile modulus | 8,250 to 41,200 MPa ISO 527-1 |
| Tensile resistance | 107 to 276 MPa ISO 527-1, -2 |
| Tensile strain | 1.4 to 2.2 % ISO 527-1, -2, Yield |
Chemical resistance and characteristics
Chemical resistance
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Recommended applications
- Film
- General purpose
- Containers
- Packaging
- Bags
- Tanks
- Food packaging
- Industrial applications
- Soufflé film
- Plumbing
Frequently asked questions
CF grades require slightly higher temperatures and pressures. Very abrasive → carbide tooling is mandatory. Almost isotropic shrinkage is very low. Electrical conductivity must be taken into account in the design of parts.
PEEK is difficult to recycle economically. Production scrap is carefully recovered and reground for mixing into filled grades. Chemical recycling remains in the research stage.
Certain PEEK grades are approved for food contact (FDA, EU Regulation 10/2011) and medical applications (USP Class VI, ISO 10993). They are used in high-temperature food processing equipment and sterilisable surgical instruments.
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