Siraya Tech Fibreheart PAHT-CF TDS (PPA Based)
1. PRODUCT INTRODUCTION
- High Strength and Durability: Carbon fiber reinforcement for tough, stress-resistant parts.
- Advanced Reinforcement: 15% carbon fibers for superior mechanical properties and reduced warping.
- Thermal Resistance: Vicat softening temperature reaches 230°C, which is very suitable for high-temp applications.
- Low Moisture Absorption: Better printability and stability than PA6 & other nylons.
- Stable accuracy: Chopped carbon fibers are evenly distributed to form a strong network solidified structure, ensuring high accuracy for complex engineering projects.
2. APPLICATIONS
- Automotive, drones, robots, and other mechanical components.
- Industrial and Electronics: High-strength tools, industrial equipment components, robotic arms, electronic casings, and insulators.
- Medical and sports equipment: Durable medical instruments, sports equipment, and outdoor gear.
View more detailed descriptions on the PAHT-CF product page.
3. Property Data
| Mechanical Properties | Measure | Method | Processed |
| Tensile Stress at Break (MPa) | 99 | ISO 527 | Tested on X/Y axis |
| Young’s Modulus (MPa) | 8150 | ASTM D638 | - |
| Elongation at Break(%) | 1.5 | ASTM D638 | Tested on X/Y axis |
| Charpy impact strength (KJ/m^2) | 37 | - | |
| Bending Strength (MPa) | 145 | - | |
| Bending Modulus (MPa) | 7500 |
| Other Properties (Method) | Measure | Method | Processed |
| Vicat softening temperature ℃ | 230 | ISO 306 | - |
| Glass Transition Temperature ℃ | 80 | - | unannealed |
| Melting Point (℃) | 232 | - | - |
| HDT (℃) | 82.5℃ / 84.5℃ | Method A/B | unannealed |
| HDT (℃) | 119℃ / 192℃ | Method A/B | annealed |
| Biocompatibility | Not Tested | - | |
| Filament Density g/cm³ | 1.2 g/cm³ | ISO 1183 | - |
4. Preparing for Printing
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Drying: PAHT materials are sensitive to moisture, which can affect the
performance during printing and the quality of the final product. Ensure the
material is dried. Typically, it's recommended to dry at 100°C for 4-6 hours. Only dry if filament shows signs of moisture. - Nozzle: Use a hardened steel nozzle to handle the abrasive nature of the carbon fiber reinforcement.
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Heating Block: Ensure the heating block is at least 12mm thick for optimal
temperature stability. - Print Bed Surface Coating: Use a PEI sheet or apply a PVP glue coating on the print bed surface for better adhesion and to reduce warping.
5. Print setting for Fibreheart PAHT-CF
| Nozzle Temperature | 300-320°C |
| Recommended Nozzle Diameter | 0.4-1.0mm (hardened steel nozzle preferred) |
| Recommended Build Surface | PEI or PVP glue coating |
| Recommended build plate temperature | 70-90°C |
| Recommended build plate | 100-110°C (glass, PEI, or PC film) |
| Cooling Fan Speed | OFF |
| Print Speed | 30-120 mm/s |
| Retraction Speed | 1800-3600 mm/min |
| Max Extrusion Volumetric Speed | 8-12 mm3/s at 300-320°C |
| Retraction Distance | 1-3mm |
6. Moisture Management
- Dry Environment: Store the filament in a dry box with relative humidity below 15%.
- Resealing: Always reseal the filament packaging promptly after use to prevent moisture absorption.
- Drying: If the filament absorbs moisture, dry it in an oven at 100°C for 4-6 hours to avoid issues like oozing, bubbles, and rough surface finish.
7. Troubleshooting Common Issues
(1) Moisture Absorption:
Symptoms: Oozing, bubbles, rough surface finish.
Solution: Ensure filament is stored in a dry box with humidity below 15%. If the filament absorbs moisture, dry it in an oven at 100°C for 4-6 hours.
(2) Stringing and Oozing:
Symptoms: Fine strings of filament between parts of the print.
Solution: Adjust retraction settings to 1-3mm at 1800-3600 mm/min. Ensure the filament is dry and the nozzle temperature is not too high.
(3) Surface Roughness:
Symptoms: Rough or uneven surface finish.
Solution: Ensure the filament is dry before printing. Adjust print speed and ensure
consistent extrusion. Use a higher layer height if needed.
8. Contact US
If you have any questions, please feel free to contact our support at support@siraya.tech.
You can also post in the Siraya Tech Facebook user group, where many enthusiastic and experienced experts will also help you. We will also reply to the post, which can also help other printers with the same problem.