ASA

ASA is a UV-resistant engineering plastic for durable parts that need UV stability, heat resistance, and long-term color retention.

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Best for outdoor use ABS-like strength Engineering plastic

Pros

Excellent UV and weather resistance
ABS-like mechanical properties
Stiff and tough

Cons

Less flexible than ABS
May not work for larger parts due to warping
More costly than ABS

FDM 3D Printing

Functional / mechanical
Solid

ASA description

ASA (acrylonitrile styrene acrylate) is commonly chosen for functional parts exposed to sunlight, moisture, and changing temperatures, where standard plastics can fade or degrade over time. It offers a strong balance of rigidity, toughness, and thermal stability, making it suitable for enclosures, brackets, covers, housings, and exterior-use components. Compared with ABS, ASA typically provides better UV and weather resistance while maintaining similar mechanical behavior, so it is often preferred for outdoor applications and products requiring clean surface finish with long service life. It is a practical material for functional parts that need both durability and appearance retention in real-world environments.

ASA specifications

Density	1.09 g/cm³
Elongation at break	9 %
Heat deflection temperature	95 °C
Shore hardness	83 D
Applicable presets	Functional / mechanical, Solid
Available colors	Black White Silver
Max printing volume	300 x 300 x 300 mm

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