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Laser Marking PLA

Ref.: COLFB-PLA-LASR-WHITE-175-750

25.00 €

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Netherlands-based Colorfabb specialises in the development and production of filaments for FDM/FFF 3D printing. The company is constantly developing new materials, including special purpose filaments such as LW ASA, LW PLA, Laser Marking PLA and Varioshore TPU.

Due to the composition of some materials, they are not suitable for post-processing by laser marking or cutting. The process could generate gases, dusts or flames hazardous to the user or the laser cutting and engraving machine.

Laser Marking PLA is a PLA-based filament with additives to achieve a material optimised for safe laser engraving and optimum results. The composition of this material makes it possible to print 3D parts that can be engraved with a laser cutting and engraving machine.

Video 1: Laser Marking PLA. Source: ColorFabb.

Due to its composition, Laser Marking PLA filament has similar properties to conventional PLA.

PLA, polylactic acid, is a biodegradable plastic composed of starch extracted from corn, sugar beet and wheat. It is one of the most widely used materials in FDM/FFF 3D printing due to its ease of 3D printing, as well as the fact that it does not emit harmful gases.

Thanks to the additives added to the PLA base, Colorfabb has made this filament sensitive to laser light, optimised for a wavelength of 980 - 1064 nm. Parts 3D printed with this filament have been successfully tested with neodymium and fibre laser engraving, and are not compatible with CO2 lasers.

Image 1: Laser Marking PLA. Source: ColorFabb.

Laser engraving on Laser Marking PLA filament has numerous advantages:

Laser-generated marks are permanent, waterproof, wear-resistant, UV-resistant and chemical-resistant.
No design limitations.
No post-processing or pre-treatment required.

Applications

Laser Marking PLA is an easy to use material that, together with a laser engraving machine, allows for a wide variety of applications, among them:

Cases for electronic devices with drawings or engraved elements.
Personalised key rings.
Decoration pictures with images.
Engraved cases or boxes with QR codes, to access the instructions of the contents inside.

The use of Laser Marking PLA filament allows parts to be manufactured with the ease of conventional PLA. It also has properties that allow long-lasting engravings to be made on 3D printed parts, with no risk of contamination for users or for the laser engraving machine.

General information
Material	PLA
Format	50 g / 750 g
Density	1.3 g/cm³
Filament diameter	1.75 / 2.85 mm
Filament tolerance	± 0.05 mm
Filament length	(Ø 1.75 mm - 0.75 Kg) ± 239 m / (Ø 1.75 mm - 0.05 Kg) ± 16 m / (Ø 2.85 mm - 0.75 Kg) ± 90 m / (Ø 2.85 mm - 0.05 Kg) ± 6 m

Mechanical properties
Charpy impact strength	(ISO 179) 7 KJ/m²
Elongation at break	(ISO 527) 6 %
Tensile strength	(ISO 527) 45 MPa
Tensile modulus	(ISO 527) 3400 MPa
Flexural strength	- MPa
Flexural modulus	- MPa
Surface hardness	-

Printing properties
Printing temperature	195 - 220 ºC
Print bed temperature	50 - 60 ºC
Chamber temperature	✗
Cooling fan	100 %
Recommended printing speed	40 - 80 mm/s

Thermal properties
Softening temperature	- ºC

Specific properties
Transparency	-

Other
HS Code	3916.9
Spool diameter (outer)	- mm
Spool diameter (inner hole)	- mm
Spool width	- mm

The process of 3D printing with Laser Marking PLA is very simple. This filament can be printed with almost any FDM 3D printer on the market, as long as it has a heated bed that reaches between 50 and 60 ºC, an extrusion temperature of between 195 - 220 ºC.

To improve the adhesion of the material to the printing surface and to facilitate the removal of the 3D printed parts, it is recommended to use a flexible base, such as BuildTak or Ziflex. A specific adhesive, such as Magigoo or DimaFix, can also be applied.

When laser engraving 3D printed parts with this filament, the user should be aware of its compatibility with laser cutting and engraving equipment. This material is optimised for a wavelength of 980 - 1064 nm, and is only recommended for use with neodymium and fibre laser cutting and engraving machines.

It is not recommended to work with CO2 laser cutting machines.