• Spectrum Filaments PCTG 1,75 mm 1kg Iron Gray

The Symbol : pctg_iron_gray
Średnica filamentu 1.75
Colour grey
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EAN 5903175654045

Spectrum filaments is a Polish brand producing filament for 3D printers. The offer includes PLA materials, ABS - in two diameters, PETG or specialty felts such as Carbon or glow-in-the-dark. Spectrum Filament will allow you to transfer all your projects into the real world in high quality. Thanks to a wide range of colors everyone should find something suitable for themselves.




Filament Spectrum Premium PCTG is an excellent alternative to the well-known in the world of 3D printing PET-G material. Belonging to the same material family - copolyesters, makes PCTG filament similar to the simplicity of printing as PET-G. A very important advantage of the Premium PCTG filament is increased impact strength, high dimensional stability and low shrinkage. Filament Spectrum Premium PCTG combines the most desirable features of PLA Tough and PET-G. PCTG material is characterized by a temperature resistance of 76 ° C, and an excellent print surface and greater elasticity. Additional advantages include the high chemical resistance of the printed models.

Elements manufactured with the use of transparent Spectrum Premium PCTG colors are characterized by greater clarity than their counterparts made with the use of PET-G. This means that it is possible to obtain an effect close to transparency with a small number of external contours.

A heated working chamber is not required for printing.

Key features:

  • temperature resistance HDT - 76 ° C
  • higher impact strength than Premium PET-G
  • greater transparency than Premium PET-G (for transparent colors)
  • ease of printing, processing and finishing
  • chemical resistance
  • high dimensional accuracy of printed elements
  • hydrophobic, odorless
  • perfect print surface


  • visual and functional prototyping
  • matching tests
  • conceptual models
  • production tooling


Filament is wound on a transparent, designer spool. On the spool there is information about the type of material, diameter and recommended printing temperature. Each spool is vacuum packed with moisture absorber. All in original Spectrum Filaments box.

VERIFY YOUR SPOOL - the most precise quality control system on the market
Filament for 3D printers is produced by free extrusion method. This is one of the most difficult extrusion processing techniques, due to the particularly large impact of process parameters on product dimensions and material homogenization.
During the production of Spectrum Filaments every 1mm of material is measured continuously in 2 axes with an accuracy of ±0.8µm, which allows to obtain a high quality final product. To prove this, Spectrum Filaments has introduced as one of the few manufacturers in the world the ability to present online individual parameters for each spool produced:

  •     diameter graph over the entire length of the filament,
  •     average diameter of the entire spool,
  •     ovality,
  •     standard deviation


Product specification

Material: PCTG

Color: Iron Gray

Diameter: 1.75 mm.

Dimensional tolerance: +/- 0.05 mm.

Net weight: 1kg

Printing Temperature: 250-270 deg C

Table temperature: 60-100 deg C

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