Prusament ASA

Need UV-stable outdoor parts with more heat hold than PLA or PETG? Prusament ASA is Prusa Research in-house ASA for durable prints that shrug off sun better than ABS, with less harsh fumes and less warp than classic ABS when you give it a warm chamber.

What's Included

• 1 × spool of Prusament ASA Galaxy Black, 850 g net, 1.75 mm
• Manufactured and tested by Prusa Research (Prusament)
• Spool parameters available to inspect at prusament.com where listed

Print Settings

• Nozzle: about 260 ± 5°C (Prusament.com ASA; Prusa Help also lists 260°C)
• Bed: about 110 ± 5°C (Prusament.com; Prusa Help often uses 105°C first layer, then 110°C)
• Enclosure or draft shield recommended to cut warp on larger parts
• Ventilate the room. Do not blow a cold draft across the print
• Dry if the spool sat open: ASA prints cleaner when dry

Material

• Prusament ASA (acrylonitrile styrene acrylate)
• 1.75 mm diameter with Prusament manufacturing control
• 850 g net on this Galaxy Black listing
• UV stable versus typical ABS for long outdoor use
• Heat hold near about 93°C before soft deformation (Prusa published figure)

Good To Know

• Prefer a satin spring steel sheet. On some smooth or powder-coated sheets adhesion can be too strong
• Clean the sheet, then use a glue stick when Prusa recommends it for your sheet type
• Large parts can still warp. Use an enclosure or a tall skirt / draft shield
• Store sealed with desiccant between jobs

Good For

• Outdoor brackets, housings, and garden hardware
• Automotive-adjacent trim and sun-exposed covers (always test fit and heat)
• Functional parts that need more heat hold than PETG
• Enclosed Prusa and other 1.75 mm FDM printers ready for ASA