Compared to normal PETG or ABS, Bambu ASA can remain in shape even at a temperature of 100°C.
ABS | ASA | |
Composition | acrylonitrile - butadiene - styrene | acrylonitrile - styrene - acrylate |
ASA is a modified version of ABS that contains an additional acrylate component, which improves its weather adaptability and UV resistance.
ASA retains the impact resistance and processability of ABS while providing better resistance to fading, yellowing, and degradation from sunlight exposure. Both of them may release pungent and unpleasant odors during printing, but the pungent odor of ASA is notably lighter than ABS.
ASA is ideal for outdoor applications, such as automotive exterior parts, signage, and outdoor equipment, thanks to its enhanced weather resistance and color stability. ABS is a versatile material with excellent mechanical properties that is commonly used for indoor applications.
In terms of physical and mechanical properties, both exhibit good impact resistance and high tensile strength, with almost the same levels of strength, toughness, and stiffness. Both ABS and ASA may release pungent and unpleasant odors during printing and the same warping tendency and enclosed printer requirement when printing large-size and/or high infill density models.
Recommended Printing Settings | |
Drying Settings (Blast Drying Oven) | 80 °C,8 h |
Printing and Keeping Container's Humidity | < 20% RH (Sealed, with Desiccant) |
Nozzle Temperature | 240 - 270 °C |
Bed Temperature (with Glue) | 80 - 100 °C |
Printing Speed | < 250 mm/s |
Physical Properties | |
Density | 1.05 g/cm³ |
Vicat Softening Temperature | 106 °C |
Heat Deflection Temperature | 100 °C |
Melting Temperature | 210 °C |
Melt Index | 7.0 ± 0.8 g/10 min |
Mechanical Properties | |
Tensile Strength | 37 ± 3 MPa |
Breaking Elongation Rate | 9.2 ± 1.4 % |
Bending Modulus | 1920 ± 130 MPa |
Bending Strength | 65 ± 5 MPa |
Impact Strength | 41.0 ± 2.3 kJ/m² |
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