Fiberlogy PCTG


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Impact and heat resistant PCTG available in many attractive colors.

PCTG is a copolyester often used in 3D printing as a drop-in replacement for PETG. Nevertheless, PCTG takes performance to the next level with enhanced impact strength, temperature resistance, and optical clarity. Unlike some other filaments, the Fiberlogy PCTG doesn't require a heated chamber, making it perfect for home printers and novice 3D printing enthusiasts. Its high dimensional stability and minimal shrinkage ensure that your models won't crack during the printing process, making PCTG an accessible and easy-to-print material for all.

The PCTG filament is available in many colors, including transparent options

Image 1: The PCTG filament is available in many colors, including transparent options. Source: Fiberlogy.

One of the standout features of the Fiberlogy PCTG is its remarkable impact strength, which outperforms similar materials like PETG. In the Izod test, it achieves a staggering 90 kJ/m² (compared to PETG's 5-8 kJ/m²), making it ideal for applications where strength and durability are essential. Moreover, PCTG can withstand higher temperatures, up to 76°C, expanding its potential use cases even further.

A technical part 3D printed with the Fiberlogy PCTG filament

Image 2: A technical part 3D printed with the Fiberlogy PCTG filament. Source: Fiberlogy.

Beyond its impressive mechanical properties, PCTG is also a responsible choice. Fiberlogy PCTG is recyclable, and the Pure Transparent version is approved for food contact, ensuring it's BPA-free. The Fiberlogy PCTG filament can cater to the 3D printing needs in sectors as diverse as the industrial, automotive, or sports sectors. From spare parts and utility models to automotive components, airsoft elements, and more, Fiberlogy PCTG provides parts with high impact strength, chemical resistance and optical transparency, openings up a world of possibilities for 3D printing enthusiasts and professionals alike.

What makes the Fiberlogy PCTG filament truly versatile is that it has been favorably assessed to be part of the Open Filament Program by Raise3D. This makes it possible to extrude this filament on the Pro3 printer.

Impact strength (KJ/m2) 92
Elongation at break (%) 220
Tensile strength (MPa) 45
Tensile modulus (MPa) 2000
Flexural strength (MPa) 60
Flexural modulus (MPa) 1600
Softening temperature (ºC) 81
Translucent Translucent
Chemical resistance Chemical resistance
Alimentary use Alimentary use
Hide color variations (Hide color variations)

The ideal printing temperature for PCTG is between 250 ºC and 270 ºC on a heated bed at 90-110 ºC at a speed of 100 mm/s, with the layer fan set to 0-25 % and the flow rate set to 90-100 %. It is not necessary to print this filament in a closed chamber. The recommended retraction speed for PCTG is 10-30 mm/s, and the optimal retractions are 1-2 mm for direct extrusion and 4-6 mm for Bowden systems. Due to the strong adhesion of this material, it is not recommended to print directly on the print surface or glass, as it may damage it. The manufacturer recommends using products such as Kapton tape.

The proper storage of PCTG filament is essential, as processing a wet filament can lead to polymer chain degradation, fragility, poor layer adhesion, stringing, and oozing. It is best to store the filament in a sealed bag with desiccant or in a vacuum-sealed filament container. If the filament absorbs excess moisture, it should be dried in a filament dryer at 60 ºC for 4 hours before it can be extruded.

General Information
Manufacturer Fiberlogy
Material PCTG
Format 0.75 kg Spool
Density 1.23 g/cm3
Filament Diameter 1.75 mm
Diameter Tolerance ±0.02 mm
Filament Length ±253.5 m
Color Black, Onyx, Vertigo, Inox, Light Clear Green, Blue, Clear Navy Blue, Red, Bordeaux Red Clear, Clear Orange, Orange, Graphite, Gray, White, Clear Natural
RAL/Pantone -
Printing Properties
Printing Temperature 250-270 ºC
Bed/Build Plate Temperature 90-110 ºC
Enclosed Chamber
Layer Fan 0-25 %
Recommended Printing Speed < 100 mm/s
Mechanical Properties
Izod Impact Strength (ISO 180) (notched) 92 kJ/m2
Charpy Impact Strength -
Elongation at Break (ISO 527) 220 %
Tensile Strength (ISO 527) 45 MPa
Tensile Modulus (ISO 527) 2000 MPa
Flexural Strength (ISO 178) 60 MPa
Flexural Modulus (ISO 178) 1600 MPa
Surface Hardness -
Thermal Properties
Softening Temperature (ISO 306) 81 ºC
Melting Temperature -
Specific Properties
Flammability -
Additional Information
HS Code 3916.9
Spool Diameter (Outer) -
Spool Diameter (Inner Hole) -
Spool Width -

* 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 your own tests. For more information, please refer to the product's technical datasheet.


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