Why Use PEEK Filament for Industrial 3D Printing
Disadvantages of PEEK Filaments
To help customers use high-performance materials more effectively, we provide practical guidance for processing, equipment selection, and application planning — making it easier to reduce risk and improve print success.
High Material Cost
Recommended for high-value parts where weight reduction, heat resistance, and long-term mechanical performance deliver greater overall value.
Moisture Sensitivity Before Printing
Drying guidance is available to help control moisture absorption, improve extrusion stability, and maintain consistent surface quality.
Demanding Print Environment
Printer compatibility recommendations and processing support help customers select suitable machines and build a more reliable printing setup.
Not Ideal for Mass Production
Better suited for prototyping, product validation, and low-volume manufacturing of complex parts where flexibility and performance matter more than scale.
Ready to Discuss Your Project?
Contact us for material selection, printing support, or project evaluation. You can email our team directly or send your drawings for review.
Allstar Material Offers the Following Specifications of PEEK Filaments
| Diameter (mm) | Theoretical weight per meter (g/m)* | Diameter (mm) | Theoretical weight per meter (g/m)* |
|---|---|---|---|
| 0.3 | ~0.09 | 1.7 | ~2.97 |
| 0.4 | ~0.16 | 1.75 | ~3.15 |
| 0.5 | ~0.26 | 1.8 | ~3.33 |
| 0.6 | ~0.37 | 1.9 | ~3.71 |
| 0.7 | ~0.50 | 2 | ~4.12 |
| 0.8 | ~0.66 | 2.1 | ~4.53 |
| 0.9 | ~0.83 | 2.2 | ~4.97 |
| 1 | ~1.03 | 2.3 | ~5.43 |
| 1.1 | ~1.24 | 2.4 | ~5.91 |
| 1.2 | ~1.48 | 2.5 | ~6.43 |
| 1.3 | ~1.74 | 2.6 | ~6.97 |
| 1.4 | ~2.02 | 2.7 | ~7.53 |
| 1.5 | ~2.31 | 2.8 | ~8.10 |
| 1.6 | ~2.63 | 2.85 | ~8.36 |
| 2.9 | ~8.68 | ||
| 3 | ~9.26 |
- 1.75mm (Our Top Pick)
- Works with 95% of industrial 3D printers
- Easier temperature control than 3mm
- Best balance of flow rate and precision
- What we use for all our testing
- 2.85mm/3mm (For High-Volume Applications)
- Better for large parts (faster printing)
- Requires more powerful heating systems
- Some printers struggle with consistent feeding
- Specialty Diameters (0.3mm – 1.6mm)
- Available on request, but honestly, we don’t recommend them unless you have a very specific application. The smaller diameters are prone to breaking, and larger ones (above 3mm) are hard to heat consistently.
PEEK Filment Material Properties & Processing Parameters
| Material Options | |
| Grade | Pure PEEK / CF30 PEEK / GF30 PEEK |
|---|---|
| Diameter | 1.75 mm / 2.85 mm |
| Diameter Tolerance | ±0.05 mm (1.75 mm) / ±0.10 mm (2.85 mm) |
| Color Options | Natural / Black / Custom on request |
| Mechanical Properties | |
| Density | Pure PEEK: 1.26 g/cm³ / Reinforced grades: grade-specific |
| Tensile Strength | Pure PEEK: 105 MPa / Reinforced grades: higher, on request |
| Tensile Modulus | Pure PEEK: 4.1 GPa / Carbon-reinforced reference: up to 7.8 GPa |
| Flexural Strength | Typical unfilled PEEK reference: 128 MPa / Final grade-specific value on request |
| HDT / Continuous Service Temperature | HDT reference: 170°C / Reinforced reference HDT: up to 280°C / Continuous service: up to 250–260°C |
| Melt Temperature | Approx. 343°C typical for PEEK family |
| Recommended Print Settings | |
| Recommended Nozzle Temperature | Pure PEEK: 370–420°C / Carbon-reinforced reference: 400–450°C |
| Bed Temperature | 110–120°C+ |
| Chamber Temperature | Heated chamber recommended / Final setup depends on printer configuration |
| Drying Temperature / Time | 120°C for 2–4 h (Pure) / 120°C for 4–8 h (reinforced reference) |
| Commercial Details | |
| Spool Weight | On request |
| Packaging | Vacuum sealed + spool packaging |
| MOQ | On request |
| Lead Time | On request |
Values shown are based on publicly available supplier data and typical PEEK processing references. Final numbers can vary by exact grade, printer setup, and project requirements.
Choosing the Right PEEK Rilment Grade
GRADE COMPARISON
Different PEEK grades are designed for different performance priorities.
Compare the core advantages of Pure PEEK, CF30 PEEK, and GF30 PEEK to find the best fit for your application.
- Best For
General high-temp parts - Key Benefit
Balanced chemical and thermal resistance - Typical Application
Electronics, medical, and precision parts
- Best For
Structural parts - Key Benefit
Higher stiffness and lower deformation - Typical Application
Aerospace brackets and lightweight fixtures
- Best For
Dimensional stability - Key Benefit
Lower warpage and better rigidity - Typical Application
Industrial housings and tooling
What You Need to 3D Print PEEK Successfully
PEEK is not a standard desktop FDM material. It requires a high-temperature printing environment, proper drying, and controlled storage to achieve stable extrusion, lower warpage, and better layer bonding.
Nozzle Temperature
Recommended range: 370–420°C
Higher-performance systems may support wider high-temp windows depending on grade and setup.Heated Bed
Recommended: 120°C+
A stable heated bed helps improve first-layer adhesion and reduce edge lift.Heated Chamber
Industrial enclosed system recommended
PEEK performs best in a controlled thermal environment. Chamber references commonly range from 70–150°C.Drying Recommendation
120°C for 2–4 hours before printing
Drying helps reduce moisture-related defects and improves extrusion consistency.Compatible Printer Type
Industrial high-temperature FDM / FFF printers
Not recommended for standard desktop FDM printers. Suitable systems should support high-temp hotends, heated beds, and enclosed chambers.Storage Condition
Store in a cool, dry, dark place
Keep filament sealed in a bag or dry storage when not in use to minimize moisture uptake.Printing Challenges & Solutions
PEEK offers excellent thermal and mechanical performance, but successful printing depends on process control. The following points help customers understand common risks and how to address them.
Warping & Edge Lift
Use a heated bed, controlled chamber temperature, and a suitable build surface such as PEI or glass with high-temp adhesion support.
Moisture-Related Defects
Pre-dry the filament and keep it sealed during storage to reduce bubbling, unstable flow, and poor surface finish.
Layer Bonding Instability
Maintain a stable thermal environment and avoid temperature fluctuation or drafts during printing.
Equipment Mismatch
Choose a true high-temperature industrial printer rather than a standard desktop system to achieve repeatable results with PEEK.
PEEK Filament Applications by Industry
PEEK filament is used where heat resistance, chemical stability, dimensional control, and lightweight structural performance matter. Different grades are better suited to different industries and part types.
Aerospace
Why PEEK Filament
High strength-to-weight ratio, thermal resistance, and reduced deformation make PEEK suitable for lightweight structural and high-temperature aerospace parts.
Typical Parts
EV / Automotive
Why PEEK Filament
PEEK supports lightweighting, heat resistance, and long-term mechanical stability for under-hood, e-mobility, and functional prototype applications.
Typical Parts
Medical
Why PEEK Filament
Pure PEEK offers balanced chemical resistance, heat resistance, and sterilization compatibility for precision medical parts and non-permanent-use devices.
Typical Parts
Semiconductor / Electronics
Why PEEK Filament
Excellent electrical insulation, thermal stability, and dimensional consistency make PEEK suitable for electronics and semiconductor-support applications.
Typical Parts
Oil & Gas
Why PEEK Filament
Strong chemical resistance, wear resistance, and high-temperature capability support demanding downhole, sealing, and connector-related applications.
Typical Parts
Industrial Tooling / Fixtures
Why PEEK Filament
High rigidity, lower warpage, and stable geometry make PEEK effective for jigs, fixtures, and precision tooling used in demanding production environments.
Typical Parts
FAQs
Find quick answers about PEEK filament applications, print requirements, available grades, packaging options, and technical support.
Let’s Talk About Your Next PEEK Project
Whether you need technical support, grade recommendations, or sample evaluation, our team is ready to help. Contact us directly or request a sample to start your project.