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Smart Materials

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30,65 €
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PA6 with high hardness and heat resistance as it supports up to 210 ° C without softening.

Natural NylonStrong filament (1.75mm or 2,85mm) is a Polyamide 6 (PA6) reinforced with fillers consisting of a high thermal resistance, and mechanical abrasion.

Unlike other nylon filaments currently available in the market, this filament NylonStrong Natural (1.75mm or 2,85mm) is a very hard filament. Being a very hard nylon is ideal for industrial applications where high mechanical properties of strength, impact resistance or withstand high temperatures needed.

Polyamide 6 (PA6) is the most common extruded polyamide. Stresses in the industry to provide good damping properties and impact resistance and good toughness at low temperatures. It is ideal for example for bearings and gears as they would work silently. Smartfil NylonStrong filament is designed to obtain the best results in 3D printing with nylon filament, as most nylon filament have a high warping effect.


Image 1: Pieces printed with Nylonstrong. Source: SmartMaterials.

It is also the rigid material capable of supporting up to 210 °C (softening temperature) which opens a huge opportunity for manufacturing industrial parts using 3D printing FDM / FFF. Besides the NylonStrong filament is designed to print a range similar to other nylon filaments temperatures. (± 250).


It is advisable to use a hardened steel nozzle or Olsson Ruby since the carbon fiber is quite abrasive and wears the brass nozzles.

Impact strength (KJ/m2) 11.52
Tensile strength (MPa) 160
Surface hardness 7
Softening temperature (ºC) 212
Abrasion resistance Abrasion resistance
Fatigue resistance Fatigue resistance
Fiber reinforced Fiber reinforced
Hide color variations (Hide color variations)

Smartfil NylonStrong filament is designed with the purpose of reducing the warping effect, but still highly recommended to follow a certain usage tips.

Raft use is recommend to remove any contractions in the part print. It is also advisable Brim schedule, although it will be less effect and minimal occurrence of warping in the base may occur depending on the part geometry.

To ensure the correct adhesion of the NylonStrong to the base, it's recommended to use BuildTakDimaFixPrintaFix or Magigoo PA. In addition to this adhesive it has been developed exclusively for nylon filaments and can be used with a microperforated base, PEI sheets or Kapton Tape can be used. It must be ensured that the adhesion of the first layer is firm and strong to prevent it from peeling off during 3D printing.

After the printing of the piece, if it comes off too fast from base may contractions occur in the base of the piece due to the sudden change in temperature. Because of this it is advisable to use the 5x5 rule consisting finish printing just after lowering the temperature of the hot bed 5 and be at that temperature 5 minutes. After this period, again perform the same operation until the temperature of the base is about 50 ºC so we can take off the final piece without permanent deformation occurring.

Finally, don´t print with a height of less than 0.1mm layer as due to the loads of the material, may seal the extruder occur if this is very small diameter. Anywaywe recommend using filament cleaning when printing with this filament.

General information
Manufacturer Smart Materials (Spain)
Material Nylon (PA6) + fiberglass
Format Pack of 50 g
Spool of 750 g
Density 1.58 g/cm3
Diameter of filament 1.75 or 2.85 mm
Diameter tolerance ±0,03 mm (1,75 mm)
±0.05 mm (2.85 mm)
Filament length ±197 m (Ø 1.75 mm-0.75Kg)
±74 m (Ø 2.85 mm-0.75Kg)
Color Natural
RAL/Pantone -
Print settings
Printing temperature ±250ºC
Print bed temperature 90-110ºC
Chamber temperature Not necessary
Cooling fan Recommended
Mechanical properties
Izod impact strength (ISO 180) 11.52 KJ/m2
Charpy impact strength -
Elongation at break  -
Tensile strength (ISO 527) 160 MPa
Tensile Modulus -
Flexural strength -
Flexural modulus -
Surface hardness (ISO 868) Shore 70D
Thermal properties
Softening temperature (ISO 75) 212ºC
Melting temperature -
Specific properties
Transparency  -
Additional Information
HS Code 3916.9
Diameter coil (outer) 200 mm 
Diameter coil (inner hole) 53 mm 
Coil Width 54 mm 

* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.


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