New eSUN eASA Filament - 1.75mm Black Expand

eSUN eASA Filament - 1.75mm Black



eSUN’s specialised eASA Filament offers high weather, temperature and UV resistance, for applications requiring higher strength than typical polymers.

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When it comes to specialised polymers and 3D Filaments, nobody does it better than eSUN, and they’ve proven it once again with their new eSUN eASA Filament, which is somewhat similar to ABS but has the double bond butadiene replaced with Acrylic Rubber. This results in a polymer that is incredibly resistant to weather, UV light and temperatures, with eSUN claiming that it’s even on par with some of the engineering plastics used in professional industries.

The introduction of this polymer is amazing news for hobbyists, as it allows us to build high strength parts without having to pay excessive amounts for injection moulding or similar services. And just to add the cherry on top of the already-tasty sundae, this Exotic Filament is also naturally anti-static, making it a great choice for robust electronics enclosures that can withstand impressive forces and weathering, while also being dust-resistant too!


eSUN eASA Filament  -  Technical Specifications:

  • Plastic Type

– ASA (Acrylonitrile Styrene Acrylic Rubber)          

  • Plastic Diameter

– 1.75mm

  • Density (g/cm3)

– 1.0

  • Distortion Temp (°C, 0.45MPa)

– 105

  • Melt Flow Index (g/10min)

– 10 to 15

  • Tensile Strength (MPa)

– 50

  • Elongation at Break (%)

– 30

  • Bending Strength (MPa)

– 35

  • Bending Modulus (MPa)

– 4300

  • IZOD Impact Strength (kJ/m2)

– 19

  • Total Weight

– 1kg


eSUN eASA Filament  -  Suggested Print Settings:

  • Print Temp (°C)

– 220 to 260

  • Bed Temp (°C)

– 70 to 110

  • Infill Speed (mm/s)

– 20 to 90

  • Travel Speed (mm/s)

– 90 to 150

  • Optimal Nozzle Distance (mm)  

– 0.2 to 0.3

  • Recommended Nozzle

– Nozzle with Diameter Larger than Layer Thickness

  • Enclosure

– Recommended

  • Part Cooling Fan

– Off


Extra Notes for Printing eSUN 1.75mm eASA Filament:

When printing with this unique ASA filament, there are a few extra notes that you should take into consideration before starting. This is because ASA is polymerised with very similar materials to ABS Filament, but has been made without the double bond butadiene, which means it offers better weather, temperature and UV resistance, but may require some extra care during the printing process to enjoy good results. As such, it’s prudent to keep the following in mind:

  • Be sure to set your infill lower than usual, as this will help reduce shrinkage and cracking when the filament cools down.
  • Always remember to turn off the part cooling fan, and try to provide an enclosure or wind protection to avoid the filament cooling at an uneven rate.
  • A clean print surface will drastically help the first layer adhesion of this filament, although the heatbed temperature may vary according to what adhesion aid you are using.
  • Finally, eASA has relatively weak tear resistance, so try to avoid drag or twine as much as possible, especially during the printing process while the plastic is still cooling.

Despite these unique requirements and extra considerations, eASA is an excellent polymer that is surprisingly close to an Engineering-quality plastic. And while it may take a few tries to get just right, you will certainly be pleased with the results once you have your printer dialled to accommodate the unique properties of ASA.


Colour Black
Special Normal
Plastic Type ASA
Plastic Diameter 1.75mm
Plastic Weight 1kg

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eSUN eASA Filament - 1.75mm Black

eSUN eASA Filament - 1.75mm Black