Ferro-Magnetic PLA

Graphene 3D Labs

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Ferromagnetic filament is a composite of PLA with iron attracts magnetic fields.

Ferro-magnetic filament is a composite of PLA with iron that attracts to the magnetic fields. It is therefore strongly attracted to magnets. [Iron Boron Neodymium (NdFeB) or Samarium Cobalt (SmCo) magnets are used for best results].

It is a material manufactured by Graphene 3D Lab and is specifically designed to allow any 3D printing user with almost any 3D desktop printer on the market to perform ferromagnetic components.

This ferromagnetic PLA filament has a low probability of oxidation. The PLA ferro-magnetic filament of Proto-Pasta behaves in a similar way although it reaches the oxidation more easily when immersed in salt water for a few hours.

Ferro-Magnetic PLA

The magnetic filament opens a large field of applications in 3D printing which can be magnetic sensors and actuators, magnetic stirrers, and simulation of cast iron parts. In addition to the electrical applications of this filament, it also highlights the potential of the same in the educational field.

The finish of the printed parts is black in contrast to that of the pieces of the Proto-Pasta Magnetic filament that have a greyish finish. In addition to what can be done after a process of removing the parts to leave a smooth finish or on the contrary can leave a finish of wear.

It is very important to take into account that the iron is very fine casting so it does not increase the resistance of the filament nor is it a conductive filament of electricity.

FerroMagnetic PLA demonstration

Magnetic Magnetic
Fiber reinforced Fiber reinforced
Hide color variations (Hide color variations)

The printing of the Ferromagnetic PLA should be performed at an extrusion temperature of 215-225 ° C, and at a bed temperature of 60 °C (Although it can be printed without a warm bed). As for the recommended printing speed is approximately 60 to 80 mm/s.

Please note that because of the iron content, this PLA is more abrasive and brittle than the standard PLA and requires more attention. A wear-resistant nozzle or larger diameter should be used for longer 3D prints (At least the nozzle should be 0.4 mm).

In the filament state the ferromagnetic PLA is more fragile than the standard PLA so it must be handled with care to avoid breakage. The adhesion of the first layer is key and probably the most important factors to get good impressions. So you can use MagigooBuildTak or DimaFix.

General information
Manufacturer Graphene 3D Lab (USA)
Material PLA Ferro-Magnetic
Format Spool of 350 g
Density -
Density 1.75 mm
Diameter tolerance ±0.1 mm
Filament length -
Color Black
RAL/Pantone -
Print settings (1)
Printing temperature 215-225 ºC
Print bed temperature 60ºC
Chamber temperature Not necessary
Cooling fan Recommended
Recommended printing speed 40 mm/s
Extrusion Multiplier 0.9 - 0.95
Mechanical properties
Izod impact strength -
Charpy impact strength -
Elongation at break
Tensile strength -
Tensile Modulus -
Flexural strength -
Flexural modulus -
Surface hardness -
Thermal properties
Softening temperature -
Melting temperature -
Specific properties
Transparency  Opaque
Additional Information
HS Code 3916.9
Diameter coil (outer) 200 mm 
Diameter coil (inner hole) 52 mm 
Coil Width 55 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.

(1) El filamento PLA Ferro-Magnético fue probado usando un extrusor de accionamiento directo de impresión. No se garantiza que el filamento sea compatible con las impresoras 3D de accionamiento indirecto, como los modelos Delta. Evitar dejar el filamento en una boquilla calentada durante un período prolongado de tiempo.


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