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Magnetic Iron PLA Proto-Pasta

Ref.: MAG-PROTO-PASTA-175-500

54.95 €

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PLA magnetic filament consists of a polymer (PLA) and iron powder finely pulverized. This filament responds to magnets and behaves similarly to iron pure, even to the point of oxidation.

PLA MAgnetic

Image 1: Pieces with different finishes printed with MAGNETIC PLA. Source: Proto-Pasta.

This filament opens a wide range of applications such as fashion accessories and simulation of metal parts. Iron is defined as "magnetic", although exactly is ferromagnetic. This means that it is attracted by the magnetic fields. Therefore, the magnets stick to it. For this reason you should keep in mind that the magnets will stick to parts made with PLA magnetic filaments.

Pieces printed with this filament not work like magnets. This filament can add additional benefits of magnetism in the design of parts and can be combined with standard PLA filament, applying only the PLA filament magnetic parts that interest. Theoretically you could magnetize parts perform fine with conductive filament PLA rubbing them between 10 and 100 times around the positive side of a large magnet. The piece would tend to remain somewhat magnetized after being subjected to an external magnetic field due to a process called hysteresis. For a permanent magnet would require the use of an electromagnetic coil (about 2 Tesla), but this process melt the piece so it can not be done. This filament PLA has a magnetic resistance a bit lower than the standard PLA. Cast iron is very thin so it does not increase the filament resistance nor a conductive filament electricity.

PLA Magnetic

Image 2: PLA MAGNETIC. Source: Proto-Pasta.

For a finish rusty iron simply must be sanded ligeramaente printing surface with a wire brush to expose as much of iron particles into the air and then immerse the part in a salt solution for 2 or 3 days. Magneti Iron PLA filament has a higher density than a standard PLA. As an example; 125gr magnétco PLA filament containing about 25 meters from the filament, compared to almost 50 meters which contain 125g of a standard PLA.

It is advisable to use a hardened steel nozzle or Olsson Ruby since the particles of iron are quite abrasives and wears out the brass nozzles.

General information
Material	PLA
Format	125 g / 500 g
Density	1.85 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	± 0.05 mm
Filament length	(Ø1.75 mm - 0.125 Kg) ± 28 m / (Ø1.75 mm - 0.5 Kg) ± 112 m / (Ø 2.85 mm - 0.125 Kg) ± 10 m / (Ø 2.85 mm - 0.5 Kg) ± 40 m

Printing properties
Printing temperature	185 - 215 ºC
Print bed temperature	50 - 60 ºC
Chamber temperature	✗
Cooling fan	✓
Recommended printing speed	20 - 30 mm/s

Mechanical properties
Elongation at break	- %
Tensile strength	- MPa
Tensile modulus	- MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	-

Thermal properties
Melting temperature	155 ºC
Softening temperature	55 ºC

Specific properties
Transparency	-

Other
HS Code	3916.9
Spool diameter (outer)	205 mm
Spool diameter (inner hole)	53 mm
Spool width	55 mm

Print of the magnetic PLA should be performed at about 10 °C less than the standard PLA. Cooling is rapidly increasing tendency to warp, so you must adjust the fan and try to slow down a little printer. In each 3D printer should set the parameters in particular.

In state filament is more fragile than the standard PLA so it must be handled carefully to avoid breakage. The accession of the first layer is key and probably the most important factors for good impressions. so you can use Magigoo, BuildTak or 3DLac.