Brass HTPLA Proto-Pasta 1.75mm 500g
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  • Brass HTPLA Proto-Pasta 1.75mm 500g
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  • Brass HTPLA Proto-Pasta 1.75mm 125g
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Brass HTPLA Proto-Pasta

BRASS-PROTO-PASTA-175-500
65.95 € 65.95 €
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Approximate delivery date: Friday 15 November

The HTPLA Brass is composed of a polymer (PLA) and brass powder, compatible with any desktop 3D printer FDM/FFF. 

The brass powder on one side offers more resistance to the filament than the standard PLA and on the other it gives a similar appearance and density to the brass metal.

The amount of brass contained in this material is sufficient for transmission and heat dissipation applications, resistant parts or parts with a finish that need to simulate brass in any of its states (bright, rusty, old ...). But this percentage of brass isn't enough to be a conductor of electricity. In the case of searching for a conductive filament of electricity, the Conductive PLA filament or the Graphene filament should be chosen.

Once the piece is printed, you can choose an infinite number of different finishes. Here are some of the Post-Processing techniques for this material:

  • Apply a heat treatment to the piece to make it more resistant to harsher environments and more resistant to wear.
  • With a wire brush expose the metal so that it rusts or get a glossy and satin finish.
  • Treat the surface with steel wool for a dark appearance, but at the same time smooth and shiny.
  • Paint the deeper areas with a dark color to highlight the contrast of colors.
  • Polish with a rotary machine with a cotton tip and a polishing compound on the high areas to achieve a high gloss.
  • Polish with sandpaper to obtain a smooth, shiny and light-colored surface finish.
  • Patina (oxidize) naturally or in an accelerated manner with hydrogen peroxide (apple cider vinegar) and salt (50/50). Heat can be applied to make the process even faster.

Proto-Pasta Brass

Image 1: Figures printed with Brass HTPLA. Source: Proto Pasta

The thermal treatment reinforces the structure of the Brass HTPLA, giving it greater resistance to deformation at high temperatures, maintaining its shape up to 170ºC. The tempering process is very simple, you simply need a domestic oven at a temperature of 110ºC and introduce the piece about 10 minutes, having to adapt the time depending on the size of the piece, the larger, the longer the tempering must be.

The Brass HTPLA filament has an infinity of applications, among which are:

  • Pieces with appearance similar to brick or clay.
  • Accessories and hardware.
  • Simulation of old knobs and buttons.
  • Heat exchangers and heat sinks.
  • Elements of fine arts and sculptures.
  • Emblems and trophies.
  • Jewelry like rings, pendants or bracelets.
  • Game pieces or replicas of ancient figures.

HTPLA Brass

Image 2: Brass HTPLA. Source: Proto Pasta

This material has been optimized to have a lower moisture absorption than conventional PLA and get a better flow to avoid clogging, something to which some Special PLA containing fibers or metal powders are prone.

The filaments with metallic particles of Proto-Pasta; once printed and post-processed, offer a finish with an appearance and density similar to the metal used. However, in no case they will have the properties of that metal.

If metal finishes and parts containing the properties of the metal in question are desired, filaments from The Virtual Foundry Filamet range should be used. Parts printed in 3D with these materials become completely metallic through a sintering process.

It should be noted that Filamet filaments require more knowledge due to their complexity both in the printing process and in the subsequent sintering which, in many cases, is of an experimental nature.

General information

Material PLA
Format 125 g / 500 g
Density 2.5 g/cm³
Filament diameter 1.75 / 2.85 mm
Filament tolerance ± 0.05 mm
Filament length (Ø1.75 mm - 0.125 Kg) ± 20 m / (Ø1.75 mm - 0.5 Kg) ± 80 m / (Ø 2.85 mm - 0.125 Kg) ± 7 m / (Ø 2.85 mm - 0.5 Kg) ± 28 m

Printing properties

Printing temperature 185 - 215 ºC
Print bed temperature 30 - 60 ºC
Chamber temperature
Cooling fan
Recommended printing speed 20 - 80 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 150 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

The print is recommended to clean the nozzle by passing through it PLA or Smart Clean to avoid leaving traces of carbon fiber in it. Carbon Fiber PLA in filament state is more fragile than the standard PLA so must be handled carefully to avoid breakage. Optimum printing temperature can range between 185ºC and 215ºC according to each 3D printer. It's recommended to use hardened steel nozzles or the powerful Nozzle Olsson Ruby with a diameter equal to or greater than 0.5mm.

Printing of this filament is just as easy to standard PLA. Although it is not necessary to have a warm bed to print this filament, if she have put it at 30-60 ° C it is recommended. The adhesion of the first layer is key and probably the most important factors for good impressions. so you can use Magigoo, DimaFixPrintaFix or BuildTak.

Featured properties

Printing temperature
185 - 215 ºC
Filament diameter
1.75 / 2.85 mm
Density
2,5 g/cm³

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