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Formula: PEEK
Form: Foil
Material: PEEK
CAS Number: 29658-26-2
Commodity: Polymers
PEEK (Polyether ether ketone) film is a high-performance polymer recognized for its exceptional chemical resistance, thermal stability, and mechanical properties. In medical imaging and dental implants, its biocompatibility and stress-reduction capabilities can be used to enhance performance and patient outcomes. Orthopedic applications benefit from engineered composites that improve stiffness and osseointegration. In energy systems, its chemical resistance ensures durability and efficiency in fuel cells, while in aerospace, its wear resistance supports components such as bearings and seals. Its flexibility and high dielectric strength make it indispensable for advanced flexible electronics and high-voltage insulation, emphasizing its versatility in cutting-edge research and industrial advancements.
Tolerances
Foil
| Thickness | ±20% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Poor |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good-Poor |
| Ketones | Good-Poor |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.18 |
| Hardness - Rockwell | M99 |
| Poisson's ratio | 0.4 |
| Elongation at break( % ) | 50 |
| Tensile modulus( GPa ) | 3.7-4 |
| Izod impact strength( J m⁻¹ ) | 85 |
| Tensile strength( MPa ) | 70-100 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1kHz | 3.2-3.3@50Hz-10Khz |
| Dissipation factor @ 1MHz | 0.003 |
| Dielectric strength( kV mm⁻¹ ) | 190@50µm |
| Volume resistivity( Ohmcm ) | 10¹⁵-10¹⁶ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V-0 @ 1.5mm |
| Radiation resistance | Good |
| Resistance to Ultra-violet | Fair |
| Limiting oxygen index( % ) | 35 |
| Water absorption - equilibrium( % ) | 0.5 |
| Water absorption - over 24 hours( % ) | 0.1-0.3 |
| Density( gcm⁻³ ) | 1.26-1.32 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 260 |
| Heat-deflection temperature - 1.8MPa( C ) | 160 |
| Upper working temperature( C ) | 250 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1340 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.25@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 47-108 |
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