Feature Analysis of PEEK Films
High Temperature Resistance
Can withstand temperatures from lead-free soldering processes. The film thickness ranges from 25 to 155 microns. For mechanical applications without impact, the RTI (Relative Thermal Index) is 220°C, and for electrical applications, it is 200°C. It remains stable up to 500°C at its carbonization point.
Excellent Mechanical Properties：
A balanced plastic film with both toughness and rigidity, particularly outstanding in fatigue resistance under alternating stresses, making it comparable to alloy materials.
Chemical Resistance：
Exhibits excellent chemical resistance. Among typical chemicals, only concentrated sulfuric acid can dissolve or destroy it. Its corrosion resistance is similar to nickel steel.
Self-Lubricating Properties：
Outstanding sliding characteristics among all plastic films, ideal for applications requiring low friction coefficients and wear resistance. PEEK films modified with a mix of carbon fiber and graphite exhibit enhanced self-lubricating properties.
Radiation Resistance：
Has strong resistance to high radiation doses, maintaining excellent insulating properties even under extreme irradiation levels.
High Sound Clarity：
Avoids ""auditory fatigue"" caused by metallic film noise, providing better acoustic performance.
Hydrolysis Resistance：
Not affected by water or high-pressure steam. Products made from this film material can retain excellent properties even in high-temperature, high-pressure water environments.
Melt Processing Capability：
When heated above its melting point, it integrates with metals. Ultrasonic sealing is easy (similar to PET films). Laser welding and printing are also possible.
Flame Retardancy：
An extremely stable polymer that achieves the highest flame-retardant standards without adding any flame retardants. It is halogen-free and meets IEC 61249-2-21 standards.
Performance table of PEEK film produced by Allstar Material
| Item | Material Grade | |||||
|---|---|---|---|---|---|---|
| Pure PEEK | GF30 PEEK | CF30 PEEK | Bearing grade PEEK | |||
| Test Standard or Instrument | Unit | 100% PEEK | PEEK + 30% Glass Fiber | PEEK + 30% Carbon Fiber | PEEK + 10% Carbon Fiber + 10% Graphite + 10% PTFE | |
| Tensile strength (23°C) | ISO 527 | MPa | 100 | 155 | 220 | 134 |
| Bending strength (23°C) | ISO 178 | MPa | 163 | 212 | 298 | 186 |
| Compressive strength (23°C) | ISO 604 | MPa | 118 | 215 | 240 | 150 |
| Izod impact strength (no gap) | ISO 180/IU | kJ/m² | No Crack | 51 | 46 | 32 |
Allstar Materials peek films stock
| Thickness (mm) | Width (mm) | Approx. Weight per Meter (g/m)* |
|---|---|---|
| 0.03 | 600 | 23.6 |
| 0.05 | 600 | 39.3 |
| 0.075 | 600 | 59 |
| 0.1 | 600 | 78.6 |
| 0.125 | 600 | 98.3 |
| 0.15 | 600 | 117.9 |
| 0.2 | 600 | 157.2 |
| 0.25 | 600 | 196.5 |
| 0.3 | 600 | 235.8 |
| 0.4 | 600 | 314.4 |
| 0.5 | 600 | 393 |
| 0.75 | 600 | 589.5 |
| 1 | 600 | 786 |
| 1.5 | 600 | 1179 |
| 2 | 600 | 1572 |
| 2.5 | 600 | 1965 |
| 3 | 600 | 2358 |
- 0.03–0.1mm: Ideal for flexible electronics and precision insulation
- 0.125–0.5mm: Perfect for acoustic diaphragms and sealing applications
- 0.75–3mm: Designed for structural applications and thick insulation barriers
Main Grades and Properties of PEEK Tubes
Basic Steps of the Casting Process:
Resin Melting: First, PEEK resin is heated to its molten state, typically around 350°C. It is important to ensure the PEEK resin is completely melted to ensure uniform flow and film formation.
Extrusion: The molten PEEK resin is extruded through an extruder and passed through a flat die (also known as a casting die) to form a film. During this process, the PEEK resin is stretched into film form on the casting die.
Cooling and Solidifying: The film is quickly cooled by a cooling roller or water-cooling system, causing the molten PEEK resin to cool and solidify into film form.
Winding: The cooled PEEK film is wound into rolls for subsequent processing, transportation, and use.
Advantages of the Casting Process:
High Precision Films:
The casting process produces films with uniform thickness and smooth surfaces, making it suitable for high-demand applications.”
Higher Production Efficiency:
This process is ideal for large-scale production and is suitable for high-performance polymers like PEEK.
Customizability:
By adjusting parameters such as temperature and stretching speed, various film properties like thickness, hardness, and transparency can be tailored.