- Is ASA better than ABS for outdoor parts?
- Yes. ASA was developed to resist UV yellowing and weathering, while ABS degrades in sunlight over time. Print settings are close, so the switch is easy if you already print ABS.
- Do I need an enclosure to print ASA?
- Strongly recommended. ASA shrinks as it cools and warps or splits between layers without stable warm air. A simple enclosure plus a draft-free room makes a big difference.
- What temperatures should I use?
- Start around 240-260 C at the nozzle and 90-100 C on the bed, with little or no part cooling. Tune from there based on layer adhesion and surface finish.
- Is the 1.75 mm diameter consistent?
- The spool is specified at 1.75 mm, the common standard for most modern printers. Check the diameter with calipers if your printer is sensitive to tolerance.
- Does ASA smell or need ventilation?
- Yes, it gives off styrene fumes while printing. Print in a ventilated area or run an enclosure with a carbon filter, and keep the room clear of children and pets during long prints.
- Can I smooth or paint ASA parts?
- Yes. ASA responds to acetone vapor smoothing and takes sanding, primer and paint well, which makes it popular for finished-looking outdoor parts.
- Where is the ASA 3D Printer Filament 1.75mm UV Heat Resistant cheapest?
- At Newegg, for $45.52, as of our latest check.