Outside limits
Siraya Tech Fibreheart PPA on the CORE One+
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CORE One+ cannot reach the listed nozzle temperature.
- Nozzle280–300 °C
- Bed70–80 °C
- Speed—
- Dry—
- Density1.21 g/cm³
CORE One+ maximums: nozzle 290 °C, bed 120 °C.
Sources & notes
Prusa CORE One+ with Siraya Tech Fibreheart PPA: The listed nozzle range reaches 300 °C, above 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 not recorded for this filament.
Filament dataset verified date 13 October 2026. Printer source checked 14 October 2026.
Filament source · Printer source · Filament JSON
Prusa lists a 290 °C maximum nozzle temperature, a 120 °C maximum heatbed temperature, a heated enclosed chamber, a brass CHT nozzle, and MMU3 support.
An HT hotend rated to 400 °C is described as coming soon. That figure is not the stock maximum.
Questions
Can the Prusa CORE One+ reach the listed Fibreheart PPA nozzle temperature?
The listed nozzle range reaches 300 °C, above this printer's maximum of 290 °C.
Can the CORE One+ 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 not recorded for this filament.