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PCTG+GF10 Filament - 1.75 mm - 0.75 kg

Fiberlogy PCTG+GF is a technical 3D printing filament reinforced with 10% glass fiber. It combines high impact strength, rigidity, and chemical resistance with easy printability and low shrinkage. Finished models feature a matte, rough surface, making it an ideal material for machine parts, tools, and outdoor applications.

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Black

Natural

The presented colors are for reference only and may differ from the actual filament color depending on screen settings.

€47.97

€63.96 / kg

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Product description

Fiberlogy PCTG+GF is a modern 3D printing filament that combines the versatility of PCTG copolyester with the exceptional properties of 10% glass fiber. The result is a material with increased strength, rigidity, and impact resistance, perfect for demanding technical and engineering projects.

Thanks to the addition of glass fiber, PCTG+GF filament offers greater mechanical strength and stability compared to standard PCTG. At the same time, it retains its key advantages: chemical resistance, low shrinkage, and easy printability.

Fiberlogy PCTG+GF was designed to be printed on open 3D printers without the need for a heated chamber. Excellent bed adhesion and low shrinkage ensure stable prints, even with complex geometries.

The finished models feature a matte, slightly rough surface, giving them a professional and technical look. It’s not only a functional but also an aesthetic material – ideal for applications where both appearance and performance matter.

Fiberlogy PCTG+GF is ideal for:

machine and equipment parts requiring high durability,
workshop tools and technical prototypes,
projects exposed to chemicals and outdoor conditions,
functional prints where strength and stability are key.

PCTG+GF is the perfect choice for demanding 3D printing users who expect a combination of easy printability, technical performance, and professional aesthetics.

Print settings

Printing temperature 250-270°C
Bed temperature 100°C
Build surface Smooth PEI + adhesive; Textured PEI; Glass + adhesive
Drying conditions 60°C / 4h
Enclosure not required
Cooling fan 0-25%

Tips and recommendations

Nozzle: The material is highly abrasive. A hardened steel or ruby nozzle is required.
Handling: Use gloves (micro-damage to the skin may occur). When handling, use a dust mask and safety goggles.
Possible bed damage: Due to strong adhesion to the surface, printing directly on the bed or glass is not recommended, as this may cause damage. We recommend using adhesives or masking tape.

Properties

Density 1.31 g/cm³
Tensile Strength @ Yield 55 MPa (ISO 527)
Tensile Strength @ Break 25 MPa (ISO 527)
Tensile Modulus 3400 MPa (ISO 527)
Elongation @ Break 8% (ISO 527)
Izod Impact Strength (Unnotched) @ 23℃ 60 kJ/m2 (ISO 180)
Heat Distortion Temperature @ 0.45 MPa 76°C (ISO 75)
Heat Distortion Temperature @ 1.8 MPa 64°C (ISO 75)

To make it easier to choose the right color variant, we provide RAL and Pantone equivalents for filaments wherever possible. The given values are approximate and are intended to reflect the actual filament shade as closely as possible.

Why not HEX?

Providing the color of 3D printing filament in HEX format does not make sense because this notation was created to describe colors displayed on screens (RGB – monitors, TVs, mobile devices). HEX defines a mix of red, green and blue light, meaning a digital color. With filaments, however, we deal with a physical material. The same filament may look different in various photos and HEX cannot accurately represent the actual appearance of the material.

Much better references are color systems used in printing and industry, such as RAL or Pantone, which are based on real samples and allow for comparison of colors in physical reality.