ASA, or acrylonitrile styrene acrylate, is a thermoplastic that combines mechanical strength, UV resistance and water resistance. It also has high dimensional stability and good chemical resistance, making it ideal for prototyping, outdoor applications and the automotive industry.
In the following we look at some best practices for ASA filament, as well as four different brands.
The following tips help reduce common problems when printing with ASA:
Fillamentum, a well-established 3D printer filament manufacturer, offers ASA Extrafill. At $27 per kilogram, it’s the cheapest offering in this list, and comes in 8 different colors, including “Metallic Grass” and “Green Grass”.
Another big name in the material market, Rigid.Ink offers their own ASA filament. A key selling point of their highly reliable product is the extremely low diameter tolerance of +/- .03 mm. (Fillamentum only offers +/- .05 mm.)
Though less prominent, 3DXTech has a lot to offer with their version of ASA filament, 3DXMax. Available in all the standard diameters and spool sizes, this filament also comes in the largest variety of colors. All print with a low-gloss matte finish, which is ideal for non-flashy technical components.
You can purchase 3DXMax ASA from their website.
If you’re looking for a filament to produce for outdoor purposes or for functional prototypes, ASA is a great choice. Though it can be expensive to buy and difficult to print with, its quality makes it a fantastic filament for rough and tough use cases.
License: The text of "ASA Filament – Explained and Compared" by All3DP is licensed under a Creative Commons Attribution 4.0 International License.
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