PCTG Filament

Shop PCTG filament for impact-resistant functional parts, clear components and production tooling. Compare standard PCTG with carbon- and glass-fibre reinforced grades, then filter by colour, weight and availability.
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Which PCTG option should you choose?

Standard PCTG Choose it for impact-resistant functional parts, low shrinkage and transparent colours where optical clarity matters. Browse standard pctg
PCTG-CF10 Choose carbon-fibre PCTG for stiffer functional parts, dimensional accuracy and a matte technical surface. Browse pctg-cf10
PCTG-GF Choose glass-fibre PCTG for stiff, hard parts and the specialist properties declared by the exact grade. Browse pctg-gf

PCTG settings vary by formulation. Standard Fiberlogy PCTG can bond very strongly to the bed, so use the recommended release or adhesive layer rather than printing directly on glass. Carbon- and glass-reinforced grades are abrasive: Fiberlogy and Spectrum specify a hardened or ruby nozzle for the reinforced products referenced here. Follow the exact product drying cycle.

When another material is a better fit

PETG Choose PETG for a broader everyday copolyester selection when PCTG's additional impact performance is not required. Compare PETG ASA Choose ASA for parts intended for sustained UV and weather exposure. Compare ASA Nylon (PA) Choose PA for wear-resistant mechanical parts or reinforced high-temperature grades when you can manage stricter drying and print requirements. Compare Nylon (PA)

Not sure which material fits the job? Ask us for practical product advice.

PCTG buying questions

What is the difference between PCTG and PETG?

Both are copolyesters. The referenced Fiberlogy and Spectrum grades position PCTG as the higher-impact option, with low shrinkage and greater clarity in transparent colours. Exact strength and print behaviour still depend on the formulation.

Does PCTG need an enclosure?

The referenced standard Fiberlogy and Spectrum PCTG guidance does not require a heated enclosure. Check the exact product because reinforced or unusually large prints may need a more controlled setup.

Does reinforced PCTG need a hardened nozzle?

Yes for the referenced Fiberlogy and Spectrum carbon- and glass-fibre grades. These fibres are abrasive, so use the hardened or ruby nozzle specified on the product page.

Can PCTG produce clear parts?

Transparent PCTG colours can provide higher clarity than comparable transparent PETG grades. Part geometry, wall count, layer settings and surface finish still affect the result.

Should PCTG be dried?

Fiberlogy publishes a drying cycle for its standard PCTG, while other manufacturers and reinforced grades may specify different conditions. Follow the exact product guidance.

Can I use a PCTG refill on any reusable spool?

No. Check that the refill format matches your reusable spool system before ordering. The material may be PCTG, but the winding core and spool interface are separate compatibility questions.