Outside limits
Siraya Tech Fibreheart PETG-CF Pro on the XL
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XL needs a hardened nozzle for this filament.
- Nozzle250–270 °C
- Bed70–80 °C
- Speed—
- Dry—
- Density1.3 g/cm³
XL maximums: nozzle 290 °C, bed 120 °C.
Sources & notes
Prusa XL with Siraya Tech Fibreheart PETG-CF Pro: The listed nozzle maximum of 270 °C is within this printer's maximum of 290 °C. The listed bed maximum of 80 °C is within this printer's maximum of 120 °C. Enclosure required is not listed for this filament. A hardened nozzle is recorded for this filament. The stock nozzle is not hardened.
Filament dataset verified date 13 October 2026. Printer source checked 14 October 2026.
Filament source · Printer source · Filament JSON
The comparison table lists the XL at 290 °C / 120 °C with a brass nozzle and multi-material printing by up to five toolheads.
Chamber temperature is listed as 45 °C in the Enclosure, which is treated here as an optional enclosure rather than a stock enclosed chamber.
Questions
Can the Prusa XL reach the listed Fibreheart PETG-CF Pro nozzle temperature?
The listed nozzle maximum of 270 °C is within this printer's maximum of 290 °C.
Can the XL reach the listed bed temperature?
The listed bed maximum of 80 °C is within this printer's maximum of 120 °C.
Is an enclosure required?
Enclosure required is not listed for this filament.
Is a hardened nozzle recorded?
A hardened nozzle is recorded for this filament. The stock nozzle is not hardened.