What bed temperature should you use for ASA?
Set the bed to 100 °C. That’s Bambu Studio’s default for Bambu ASA, Prusa’s minimum and the top of Bambu Lab’s 80 to 100 °C data-sheet range. Prusa runs 105 °C for the first layer and 110 °C after, and Polymaker lists 75 to 95 °C. Every maker also calls for an enclosure, and most for glue.
The number
ASA (acrylonitrile styrene acrylate) next to ABS (acrylonitrile butadiene styrene) from the same maker, with the plate, glue and enclosure each one asks for. PEI is polyetherimide; PC is polycarbonate.
| Source | ASA bed | ABS bed, same maker | Plate and glue | Enclosure |
|---|---|---|---|---|
| Bambu Lab data sheets | 80 to 100 °C | 80 to 100 °C | Engineering, High Temperature or Textured PEI plate, with glue | 45 to 60 °C chamber |
| Bambu Studio default profiles | 100 °C on the Engineering, High Temp and Textured PEI plates | 90 °C on the same plates | Cool Plate not offered (0 °C) for either | Enclosed printer required; not the P1P or A series |
| Prusa Knowledge Base | 105 °C first layer, 110 °C after; at least 100 °C | 100 °C, set from 80 to 110 °C by part size | Smooth or powder-coated PEI sheet with glue stick | Enclosure, or a draft shield without one |
| Prusament ASA | 110 ± 5 °C | not listed | Satin sheet | Enclosure for large models |
| Polymaker | 75 to 95 °C | 90 to 100 °C | PC or textured PEI, glue when needed | “Closure chamber needed”, cooling fan off |
Figures come from Bambu Lab’s ASA and ABS technical data sheets (V3.0), the Bambu ASA and generic ABS filament profiles in Bambu Studio and Bambu Lab’s ABS / ASA / PC usage guide, the Prusa Knowledge Base ASA and ABS articles, the Prusament ASA product page, and Polymaker’s ASA and PolyLite ABS data sheets.
Is ASA’s bed temperature the same as ABS?
Close, but the makers don’t agree on which runs hotter. Bambu Lab’s two data sheets give the same 80 to 100 °C. Its slicer then sets Bambu ASA 10 °C above ABS: 100 °C against 90 °C.
Prusa also runs ASA hotter, at 110 °C after the first layer against 100 °C for ABS. Polymaker goes the other way, with 75 to 95 °C for ASA and 90 to 100 °C for ABS. The full ABS range is on the ABS bed temperature page.
Which plate and glue does ASA need?
A PEI plate with glue. For ASA, Bambu Lab’s guide says “Glue application required” and rules out the Low-Temp Engineering Plate. Its slicer offers no Cool Plate temperature for ASA at all. Prusa uses the smooth or powder-coated PEI sheet with a glue stick, and Prusament names the satin sheet.
Polymaker lists PC or textured PEI and adds glue only when needed. Applying glue to a textured sheet is covered on the glue stick page.
Glass is the exception. Prusa says glass “might require a layer of acetone with dissolved ASA (or ABS)”, a slurry often called ABS juice. Prusa also warns: “Do not put acetone or ABS/ASA juice on the powder-coated sheet!”
Why ASA needs a hot bed and warm air
ASA shrinks as it cools. Bambu Lab’s guide blames warping on that shrinkage plus a high glass transition: in cold surrounding air, the part builds “significant internal stress” and pulls up at the edges. Polymaker puts ASA’s glass transition at 98 °C. A 100 °C bed keeps the bottom layers near that point, so they don’t cool and shrink against the plate.
The bed can’t do it alone. Prusa’s rule is a bed of at least 100 °C and an enclosure “to keep a higher ambient temperature”, and it calls an enclosure necessary for large parts. Bambu Lab’s guide says that when you can’t set the chamber temperature, raising the bed warms the enclosed air indirectly. Bambu’s data sheet targets 45 to 60 °C air. What a heated chamber adds over a plain enclosure is on the enclosure vs heated chamber page.
- Draft shield, a thin printed wall
- ASA part
- Hot bed with glue on PEI
How to check it on your own print
- Start at 100 °C. In Bambu Studio the bed temperature is set per plate type in the filament profile, with separate first-layer and other-layer fields. Prusa’s recommendation is 105 °C for the first layer, then 110 °C.
- Clean the plate, then glue it. Bambu Lab’s guide lists both steps, in that order, and Prusa specifies a glue stick on its PEI sheets.
- Close the printer and warm it up. In a cold room, Bambu Lab’s advice for the X1C and P1S is to run the bed at its maximum for 15 minutes before starting. Without an enclosure, turn on the draft shield in PrusaSlicer (Print Settings, Skirt and Brim), which keeps the model “slightly warmer”.
- Keep the part fan low. Polymaker lists the fan off. Bambu Lab’s data sheet allows 0 to 80 percent and the Bambu ASA profile caps it at 35 percent.
- If a corner still lifts, add a brim and cut the shrink load. Bambu Lab suggests a brim, infill at or below 50 percent and no more than 6 walls. Then raise the bed toward Prusament’s 110 ± 5 °C, if your bed reaches it. If only one corner lifts, the warped corner page covers that case.
- Mind the printer’s own plastic. Prusa warns that printing a lot of ASA in an unventilated enclosure can deform the fan shroud and extruder parts over time.
Sources
- Bambu Filament Technical Data Sheet V3.0, ASA, Bambu Lab (accessed October 15, 2026)
- Bambu Filament Technical Data Sheet V3.0, ABS, Bambu Lab (accessed October 15, 2026)
- ABS / ASA / PC Usage Guide, Bambu Lab Wiki (accessed October 15, 2026)
- Bambu ASA @base filament profile, Bambu Studio (GitHub) (accessed October 15, 2026)
- fdm_filament_asa generic profile, Bambu Studio (GitHub) (accessed October 15, 2026)
- Bambu ABS @base filament profile, Bambu Studio (GitHub) (accessed October 15, 2026)
- fdm_filament_abs generic profile, Bambu Studio (GitHub) (accessed October 15, 2026)
- ASA, Prusa Knowledge Base (accessed October 15, 2026)
- ABS, Prusa Knowledge Base (accessed October 15, 2026)
- Prusament ASA Jet Black 800g, Prusa Research (accessed October 15, 2026)
- Polymaker ASA Technical Data Sheet, Polymaker Wiki (accessed October 15, 2026)
- PolyLite ABS Technical Data Sheet, Polymaker Wiki (accessed October 15, 2026)