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Side-by-side · manufacturer-sourced

ABS vs ASA — settings & when to use which

A side-by-side of recommended print settings and practical trade-offs between ABS (Acrylonitrile Butadiene Styrene) and ASA (Acrylonitrile Styrene Acrylate), from the manufacturer data this site is built on.

ABS nozzle
230–270°C
vs
Required / Required encl.
ASA nozzle
240–260°C
ABS vs ASA — recommended settings (range across all brands)
 ABSASA
Nozzle temp230–270°C240–260°C
Bed temp80–110°C75–95°C
EnclosureRequiredRequired
Part coolingnonenone
Moisture sensitivitymediummedium
Heat resistanceHighHigh, comparable to ABS (glass transition ~100 °C), with much better UV/weather resistance

Swipe the table sideways to see every column

Settings are starting points. Ranges span every brand in the database; tune per spool with a temperature tower. See the per-brand tables on the ABS and ASA pages.
ABS Choose ABS when…
  • Durable indoor functional parts
  • Parts needing heat resistance
  • Acetone vapor-smoothed finishes
ASA Choose ASA when…
  • Outdoor / UV-exposed parts
  • Automotive exterior trim
  • Weatherproof functional parts
  • Anything ABS-grade that also sees sun

FAQ

Should I print in ABS or ASA?

ABS: A durable, heat-resistant engineering plastic that can be acetone-smoothed — but it warps hard and emits fumes (styrene), so an enclosure and ventilation are effectively required. ASA: Essentially ABS engineered for the outdoors: similar strength and heat resistance, far better UV and weather stability, and less odor — but it still warps and wants an enclosure. In short, ABS runs cooler (230–270 °C, enclosure required) and ASA runs hotter (240–260 °C, enclosure required).

Is ASA stronger than ABS?

ABS heat resistance: High. Glass transition ~100 °C — suitable for warm environments and under-hood-adjacent indoor parts. ASA heat resistance: High, comparable to ABS (glass transition ~100 °C), with much better UV/weather resistance.

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