Siraya Tech Fibreheart PPA-CF Core TDS
1. PRODUCT INTRODUCTION
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Superior Mechanical Properties: Higher fiber content (25%) enables exceptional strength and stiffness
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Enhanced Layer Bonding: Pure resin shell-to-shell contact provides superior Z-axis strength
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Excellent Dimensional Stability: Core-shell structure minimizes warping and improves part accuracy
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Extended Equipment Life: Reduced wear on nozzles, extruders, and other printer components
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Easy on the Hand: Less fiber on the outer shell means less chance for short fiber irritating skin
2. APPLICATIONS
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High-performance mechanical components
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Thin-wall parts requiring exceptional strength
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Heat-resistant applications
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Precision engineering components
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Industrial tooling and fixtures
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Parts requiring superior layer adhesion
View more detailed descriptions on the PPA-CF Core product page.
3. Property Data
| Mechanical Properties | Measure (Unannealed) | Measure (Annealed) | Method |
| Tensile Stress at Break (MPa) | 112 | 121 | ASTM D638 |
| Young’s Modulus (MPa) | 9300 | 10220 | ASTM D638 |
| Elongation at Break(%) | 2.25 | 1.6 | ASTM D638 |
| Charpy impact strength (KJ/m^2) | 13.1 | 7.3 | - |
| Bending Strength (MPa) | 178 | 185 | - |
| Bending Modulus (MPa) | 8700 | 9510 | - |
| Other Properties (Method) | Measure (Unannealed) | Measure (Annealed) | Method |
| Vicat softening temperature ℃ | 238 | 238 | ISO 306 |
| Glass Transition Temperature ℃ | 80 | 80 | - |
| HDT(℃) | 84 | 126 | Method A (1.80 MPa) |
| HDT(℃) | 97 | 199 | Method B (0.45 MPa) |
| Melting Point (℃) | 239 | 239 | - |
| Biocompatibility | Not Tested | Not Tested | - |
| Filament Density g/cm³ | 1.23 g/cm³ | 1.23 g/cm³ |  ISO 1183 |
4. Preparing for Printing
| Nozzle | Hardened steel or higher grade |
| Nozzle Diameter | 0.4-1.0mm |
| Bed Surface | PEI with Glue Stick or PVP glue coating |
| Printer Requirements | Printers with at least 12mm thick sealing box (for optimal temperature stability) |
| Drying Requirements | Ensure the material is dried, only dry if filament shows signs of moisture. |
| Drying temperature and time | Dry in oven at 80-100°C for 4-6 hours |
5. Print setting for Fibreheart PPA-CF Core
- Hardware Requirements:
- Nozzle: High quality metal nozzle, harden steel nozzle is needed;
- Nozzle Diameter: 0.4-1.0mm;
- Bed Surface: PEI with Glue Stick or PVP glue coating.
- For Bambu's printer, you can download the print setting here
- Recommended Print Parameters：
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Parameter |
Setting |
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Nozzle Temperature |
300-320°C |
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Bed Temperature |
80°C |
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Cooling Fans |
off |
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Print Speed |
30-120 mm/s |
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Layer Height |
0.2mm (recommended) |
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Retraction Distance |
1-3mm |
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Retraction Speed |
1800-3600 mm/min |
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Raft Separation |
0.08-0.12mm |
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Support Material |
Compatible with quick-release support materials |
6. Moisture Management
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Storage:
- Store in a dry box with relative humidity below 15%
- Dry in oven at 80-100°C for 4-6 hours
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Handling:Â If moisture contamination occurs (indicated by oozing, bubbles, or rough surface finish):
- Dry in oven at 80-100°C for 4-6 hours
- Only perform drying when moisture symptoms are present
7. 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.