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Bambu PAHT-CF is a composite of PA12 and carbon fiber. Inheriting the advantages of low water absorption from PA12 and high-performance carbon fiber, Bambu PAHT-CF offers excellent mechanical and thermal properties that can be maintained well even when the prints get wet. Higher Z adhesion layers and flexibility make it ideal for creating engineering parts such as functional prototypes, machining fixtures, injection molds, jigs, and low-volume production parts.
With a 50% lower water absorption rate compared to normal PA-CF,
Bambu PAHT-CF maintains excellent mechanical properties and dimensional stability even when exposed to high humidity.
Deflection from Dry to Wet
| Normal PA-CF | PAHT-CF | |
| Saturated Water Absorption Rate/% ( 25 °C, 55% RH ) | 1.89 | 0.88 |
| Bending Strength - XY/MPa (Dry) | 141 | 140 |
| Bending Strength - XY/MPa (Wet) | 76 | 115 |
| Bending Strength - Z/MPa (Dry) | 47 | 70 |
| Bending Strength - Z/MPa (Wet) | 34 | 58 |
| Bending Modulus - XY/MPa (Dry) | 4480 | 4120 |
| Bending Modulus - XY/MPa (Wet) | 2210 | 3640 |
| Bending Modulus - Z/MPa (Dry) | 1470 | 1700 |
| Bending Modulus - Z/MPa (Wet) | 770 | 1480 |
| Decline rate of mechanical properties after absorbing water/% | 40%-45% | 12%-18% |
*Both PA-CF and PAHT-CF need to be dried at 80 °C for 12 hours before printing.
Bambu PAHT-CF shows much higher adhesion in Z layers compared to normal PA-CF,
bringing it the ability to withstand high levels of impact or stress without breaking or deforming.
| Normal PA-CF | PAHT-CF | Improved % | |
| Bending Strength - Z/MPa | 47 | 70 | 49% |
| Bending Modulus - Z/MPa | 1470 | 1700 | 16% |
| Impact Strength - Z/(kJ/m²) | 5.7 | 13.3 | 133% |
*Both PA-CF and PAHT-CF need to be dried at 80 °C for 12 hours before printing.
Bambu PAHT-CF is designed to meet the demands of various industrial
and engineering applications where high strength and durability are required.
The heat deflection temperature of Bambu PAHT-CF is up to 194℃ (0.45MPa)*, making it useful in applications where the printed parts may be exposed to high temperatures without deforming or losing their strength.
*The long-term temperature resistance is related to the structure and usage scenario of the model itself.
Bambu PAHT-CF comes with a high-temperature resistant spool, which is not prone to deformation in the drying process. Continuing our concept of reducing plastic waste, the spool can also be reused with other Bambu refills.
| Recommended | Not Recommended | |
| Build Plate | High Temperature Plate Engineering Plate | Cool Plate |
| Hotend | Hotend with Hardened Steel Nozzle (0.6 mm, 0.4 mm, 0.8 mm)* | Hotend with Stainless Steel Nozzle (all size) Hotend with Hardened Steel Nozzle (0.2 mm) |
| Glue | Glue Stick | Liquid Glue |
*As the nozzle size increases, the probability of clogging decreases, but the print quality also decreases. Therefore, it is recommended to use a 0.6 mm Hardened Steel nozzle to avoid clogging while maintaining optimal print quality.
All printing parameters are embedded in RFID, which can be read through our AMS (Automatic Material System).
Load and print! No more tedious setting steps.
Learn more different filaments comparison on Bambu Filament Guide >>
| PET-CF | PAHT-CF | |
| Composition | PET, carbon fiber | PA 12 and other long-chain PA, carbon fiber |
| Hotend Compatibility | Hardened Steel 0.6 (recommended), 0.4, 0.8 mm | |
| Build Plate Compatibility | Engineering Plate, High Temperature Plate, Textured PEI Plate | |
| Glue | Glue Stick / Liquid Glue | Glue Stick |
| AMS Compatibility | NO | YES |
| Print Speed | < 100 mm/s | < 100 mm/s |
| Toughness (Impact Strength - XY) | 36.0 kJ/m² | 57.5 kJ/m² |
| Strength (Bending Strength - XY) | 149 MPa | 140 MPa |
| Stiffness (Bending Modulus - XY) | 5080 MPa | 4120 MPa |
| Layer Adhesion (Impact Strength - Z) | 4.5 kJ/m² | 13.3 kJ/m² |
| Heat Resistant（HDT, 0.45 MPa） | 205 °C | 194 °C |
| Saturated Water Absorption Rate / % (25 °C，55% RH) | 0.37 | 0.89 |
| Recommended Printing Settings | |
| Drying Settings (Blast Drying Oven) | 80 °C, 8 - 12 h |
| Printing and Keeping Container's Humidity | < 20% RH (Sealed, with Desiccant) |
| Nozzle Temperature | 260 - 290 °C |
| Bed Temperature (with PVP Glue) | 80 - 100 °C |
| Printing Speed | < 100 mm/s |
| Physical Properties | |
| Density | 1.06 g/cm³ |
| Vicar Softening Temperature | 220 °C |
| Heat Deflection Temperature | 194 °C |
| Melting Temperature | 225 °C |
| Melt Index | 14.4 ± 2.0 g/10 min |
| Mechanical Properties | |
| Tensile Strength | 88 ± 7 MPa |
| Breaking Elongation Rate | 10.4 ± 0.7 % |
| Bending Modulus | 4120 ± 290 MPa |
| Bending Strength | 140 ± 8 MPa |
| Impact Strength | 57.5 ± 3.4 kJ/m² |
• Bambu PAHT-CF needs proper drying before printing: recommended drying temperature is 80 ℃ for 5 hours in a blast drying oven, or 90 ℃ for 10 hours on heat bed. (Do not exceed 100 ℃ because the spool may melt). For more details please refer to: Filament Drying Procedure on WIKI.
• Bambu PAHT-CF has high thermal insulation requirements during the printing process, making it unsuitable for use with open-frame printers.
• For better print results, please refer to: Printing tips for Engineering materials on WIKI.
Filament with Spool*1 & Desiccant*1
Filament Label*1
Package*1
| Specimen Size | 150 mm (L) * 10 mm (W) * 2.5 mm (H) |
| Loading Weight | 1.02 KG |
| Printing Settings | All specimens were printed at a nozzle temperature of 280℃, bed temperature of 100℃, and printing speed of 100mm/s. |
| Filament States |
•Dry specimens were annealed and dried at 80°C for 12 hours before testing.
• Wet specimens were placed under the environment conditions of 25℃, 55% RH and reached the saturated water absorption rate.
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