1.75mm

Bambu Lab PAHT-CF (1.75mm) 1kg

Product SKU: N04-K0-1.75-1000-spl

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Bambu Lab warranty with local troubleshooting and parts
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Local pickup available in Vancouver and Mississauga

Overview

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.

Product Features

Low Moisture Absorption
Exceptional Mechanical Properties & Layer Adhesion
High Tensile Strength
Comes with High Temperature Reusable Spool
Diameter: 1.75mm +/- 0.03mm

Printing Tips

Drying conditions: 80℃ for 8 hrs. PAHT-CF is highly sensitive to humidity. To achieve optimal printing performance, it is recommeded further drying before use and after storage. For more details please refer to: Filament drying instructions on WIKI.
Bambu PAHT-CF has high thermal insulation requirements during the printing process, making it unsuitable for use with open-frame printers.
When printing a model with support, we recommend removing the support structures within 2 hours after printing to prevent them from sticking after absorbing moisture. If sticking occurs, dry the model to ease the removal.
For better print results, please refer to: Printing tips for Engineering materials on WIKI.

Recommended Print Settings

Drying Settings before Printing: 80 °C, 8 - 12 h
Printing and Keeping Container's Humidity: < 20% RH (Sealed, with Desiccant)
Nozzle Temperature: 260 - 290 °C
Bed Temperature (with 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: 92 ± 7 MPa
Breaking Elongation Rate: 8.4 ± 1.8 %
Bending Modulus: 4230 ± 210 MPa
Bending Strength: 125 ± 7 MPa
Impact Strength: 57.5 ± 3.4 kJ/m²

Accessory Compatibility

	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	Bambu 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.

Highlights

Designed for high-temperature resistance

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.

Low Water Absorption

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.

Reusable Spool

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.

RFID for Intelligent Printing

All printing parameters are embedded in RFID, which can be read through the Bambu Lab AMS (Automatic Material System). Load and print! No more tedious setting steps.

Mechanical Properties Comparison

	Normal PA-CF	PAHT-CF
Saturated Water Absorption Rate/% ( 25 °C, 55% RH )	1.70	0.88
Bending Strength - XY/MPa (Dry)	128	125
Bending Strength - XY/MPa (Wet)	76	115
Bending Strength - Z/MPa (Dry)	48	61
Bending Strength - Z/MPa (Wet)	34	49
Bending Modulus - XY/MPa (Dry)	4420	4230
Bending Modulus - XY/MPa (Wet)	2210	3640
Bending Modulus - Z/MPa (Dry)	1470	1820
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.

Exceptional Thermal Resistance

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.

Parameters Comparison

	PET-CF	PAHT-CF
Composition	PET, carbon fiber	PA 12 and other long-chain PA, carbon fiber
AMS Compatibility	NO	YES
Dry Out Before Use	Required	Required
Printing Speed	< 100 mm/s	< 100 mm/s
Printer Type	Enclosure	Enclosure
Toughness (Impact Strength - XY)	36.0 kJ/m²	57.5 kJ/m²
Strength (Bending Strength - XY)	131 MPa	125 MPa
Stiffness (Bending Modulus - XY)	5320 MPa	4230 MPa
Stiffness (Bending Modulus - XY, dry state)	4870 MPa	4230 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	0.88

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