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PolyMide PA-CF

Ref.: PA6-CF-POLYMAKER-175-500

54.99 €

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Approximate delivery date: Friday 22 November

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PolyMide PA6-CF and PA12-CF are filaments with PA (Nylon) base reinforced with carbon fiber. Carbon fiber gives the nylon stiffness, mechanical strength and heat resistance, all this together with an excellent bond between layers.

These filaments contain 20 % by weight of carbon fiber, a higher proportion than other filaments (Nylon-Carbon Fiber CF15). This high amount of fiber causes a more pronounced wear of the nozzle, destroying a brass nozzle in a few hundred grams. To avoid this it is recommended to use hardened steel nozzles or other nozzles with high abrasion resistance (Nozzle X or Olsson Ruby).

Laser cell holder

Image 1: Support for laser cell. Source: Polymaker

PA6 and PA12 are polyamides widely used in all current industrial sectors. The nomenclature derives from the number of carbon atoms in the diamine and the monomers of dibasic acid necessary to produce them. PA6 is a nylon that stands out for its high toughness, short and long term heat resistance, surface quality, creep and UV resistance.

On the other hand, PA12 is a really resistant polyamide even in environments with low temperatures (below 0 ºC), high resistance to cracking and maintaining the shape with application of stress for long periods. Another advantage it offers is its low concentration of amides, which translates into very low moisture absorption and excellent resistance to a large number of chemical products (hydraulic fluids, oils, fuels, grease, salt water and solvents).

Part printed with Polymide P12-CF.

Image 2: Part printed with Polymide P12-CF. Source: Polymaker.

Warp Free Technology

Polymaker has developed Polymide PA6-CF and PA12-CF using "Warp-Free" and "Fiber Adhesion" technology. The "Warp-Free" technology allows the manufacture of filaments with a nylon base (PA6 and PA12) with excellent dimensional stability and a deformation in the base of the practically null parts. The operation of this technology is achieved through an exhaustive control of the microstructure and crystallization process of the Nylon, to ensure that the material completely releases the internal tension before solidification. The "Fiber Adhesion" technology improves the adhesion between layers of materials reinforced with carbon fiber or glass, since these fibers optimize the chemical formulation of the surfaces in contact, which becomes a better dispersion and bonding to the matrix. The union of these two technologies results in better resistance along the Z axis and reduced mechanical anisotropy.

Rugged and lightweight support

Image 2: Strong and lightweight support. Source: Polymaker

Polymide PA6-CF and PA12-CF unites the advantages of nylon, carbon fiber and Polymaker's own development technologies to obtain resistant parts at all levels, applicable to most industrial jobs and with great ease of printing.

Comparison of Polymide Pa6-CF and Polymide Pa12-CF.

Table 1: Comparison of Polymide Pa6-CF and Polymide Pa12-CF. Source: Polymaker.

Polymaker Industrial Authorized Reseller PolyMide PA-GF is part of the Polymaker Industrial range of high-performance filaments oriented to the industry, of which Filament2Print is one of the select distributors authorized by Polymaker for their commercialization.

General information
Material	PA
Format	500 g / 2 kg
Density	1.17 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	± 0.05 mm
Filament length	(Ø 1.75 mm - 1 kg) ± 710 m / (Ø 2.85 mm - 1 kg) ± 268 m / (Ø 1.75 mm - 0.5 kg) ± 177 m / (Ø 2.85 mm - 0.5 kg) ± 67 m

Mechanical properties
Charpy impact strength	(ASTM D256) 13.34 KJ/m²
Elongation at break	(ASTM D638) 3 %
Tensile strength	(ASTM D638) 105 MPa
Tensile modulus	(ASTM D638) 7453 MPa
Flexural strength	(ASTM D790) 169 MPa
Flexural modulus	(ASTM D790) 169 MPa
Surface hardness	-

Printing properties
Printing temperature	280 - 300 ºC
Print bed temperature	25 - 50 ºC
Chamber temperature	50 ºC
Cooling fan	✗
Recommended printing speed	60 mm/s

Thermal properties
Melting temperature	220 ºC
Softening temperature	215 ºC

Specific properties
Transparency	✗
Chemical resistance	✓

Other
HS Code	3916.9
Spool diameter (outer)	200 mm
Spool diameter (inner hole)	55 mm
Spool width	45 mm

To ensure good adhesion to the printing base and easy removal, Polymaker recommends using a thin layer of Magigoo PA on a flexible plate.

It is recommended to use a printing temperature of 280 °C with a fully metallic HotEnd to keep the temperature stable, a base temperature never exceeding 50 °C and a chamber temperature not exceeding 50 °C. If you do not have a heated chamber, it is recommended to remove the part from the base once the printing is finished, to release the internal residual tension. Regardless of this, the pieces must be annealed at 90 °C for two hours, to eliminate deformations.

Before introducing Polymide PA6-CF or PA12-CF into an FDM 3D printer, the user must take into account the recommended drying process (80 °C for 12 hours), to avoid problems during printing, both in the piece and in the own 3D printer.