The Battle of Filaments ASA vs ABS for 3D Printing - In depth Comparison - Which one is Better ?

ASA and ABS are both popular thermoplastic filaments used in 3D printing, but they have distinct differences in terms of properties, advantages, and printing requirements. Here's a detailed comparison:
Properties:
ASA (Acrylonitrile Styrene Acrylate):
- Weather resistance and UV stability
- High impact resistance and toughness
- Good chemical resistance
- Low warping and shrinkage
- Odorless and non-toxic
ABS (Acrylonitrile Butadiene Styrene):
- High impact resistance and toughness
- Good heat resistance
- Can be glued and painted
- Higher warping and shrinkage compared to ASA
- Can emit harmful fumes when printed
Settings:
Here are some general guidelines for printing ASA and ABS:
ASA:
- Extruder temperature: 220-240°C
- Bed temperature: 60-80°C
- Print speed: 30-60 mm/s
- Layer height: 0.2-0.3 mm
- Infill density: 10-20%
ABS:
- Extruder temperature: 230-250°C
- Bed temperature: 90-110°C
- Print speed: 20-40 mm/s
- Layer height: 0.2-0.3 mm
- Infill density: 20-30%
Conclusion:
ASA is a better choice for outdoor applications or when high weather resistance is required. It's also a good option for beginners due to its easier printability. ABS, on the other hand, is a better choice for applications that require high heat resistance or when you need to glue or paint the printed parts.
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