What is ASA?
ASA is a common alternative to ABS and is great for outdoor applications due to its high UV, temperature, and impact resistance.
ASA, also known as Acrylic Styrene Acrylonitrile, is a 3D printable plastic with properties similar to ABS. It was originally developed as an alternative to ABS that would be more UV resistant by changing the type of rubber that’s used in the formulation. ASA is known for high impact resistance, higher temperature resistance, and increased printing difficulty. It’s commonly used in outdoor applications instead of ABS due to its superior resistance to UV and harsh weather conditions. Due to its heritage, ASA still retains many of the same printability drawbacks that are seen with ABS. Warping is still a consistent issue that you need to account for, as well as the potentially dangerous fumes that the plastic emits during printing, due to the presence of Styrene.
Strong UV resistance
High impact and wear resistance
High glass transition temperature
Requires higher extruder temperatures
Requires ventilation due to potentially dangerous fumes
An enclosed professional 3D printer is highly recommended to print ASA.
Minimum Extruder Temperature - 240°C (±10°C) is required
Heated Bed - Required, 80° - 100°C.
Enclosure - Highly recommended for best results
1.Prototypes requiring UV stability
3.Outdoor furniture elements
4.Precise mold casts
6.Functional prototypes that withstand outdoor exposure
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