ASA belongs to the same family of materials as ABS, giving it similar mechanical and thermal properties. This makes ASA an ideal material for both prototyping and volume production. Unlike ABS, however, ASA has some additives in it that allows for better resistance against UV radiation, causing less discolouration over time.
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Temperature resistant up to ~85–90°C
High mechanical strength
Possible to polish with acetone
Does not become as discoloured by UV
Slightly more expensive than ABS
Less colours available compared to ABS