Partial
Siraya Tech Fibreheart PET-CF on the XL
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- Nozzle280–320 °C (536–608 °F)
- Bed60–80 °C (140–176 °F)
- Speed—
- Dry—
- Density1.3 g/cm³
Print at 280–320 °C (536–608 °F) nozzle, 60–80 °C (140–176 °F) bed.
XL maximums: nozzle 290 °C (554 °F), bed 120 °C (248 °F).
Sources & notes
Prusa XL with Siraya Tech Fibreheart PET-CF: The listed nozzle range reaches 320 °C (608 °F), above this printer's maximum of 290 °C (554 °F). This printer cannot reach the full recommended range. The low end, 280 °C (536 °F), is within that maximum.
Dataset imported 13 October 2026. Manufacturer page 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 PET-CF nozzle temperature?
The listed nozzle range reaches 320 °C (608 °F), above this printer's maximum of 290 °C (554 °F). This printer cannot reach the full recommended range. The low end, 280 °C (536 °F), is within that maximum.
Can the XL reach the listed bed temperature?
The listed bed maximum of 80 °C (176 °F) is within this printer's maximum of 120 °C (248 °F).
Is an enclosure required?
Whether an enclosure is required is not in our current sources.
Is a hardened nozzle recorded?
This filament is recorded as needing a hardened nozzle. The stock nozzle is not hardened.