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Features & specifications
Bambu Lab ASA is a 1.75mm ASA filament built for long-term outdoor use, with extraordinary UV, oxidation, and aging resistance and high impact strength. Compared with normal PETG or ABS, it holds its shape even at 100°C. It needs an enclosed printer.
Highlights
- UV and weather resistance. Protects against breakage and color degradation when used outdoors for the long term.
- Temperature resistance. Stays in shape at 100°C, better than normal PETG or ABS.
- Tough and durable. High impact strength for outdoor applications and regular structural needs.
- Milder odor than ABS. Printing still gives off a pungent odor, but a notably lighter one than ABS.
Mechanical Properties
| Property | ASA | ABS |
|---|---|---|
| Impact strength (XY) | 41.0 kJ/m² | 39.3 kJ/m² |
| Bending strength (XY) | 65 MPa | 62 MPa |
| Bending modulus (XY) | 1920 MPa | 1880 MPa |
| Layer adhesion (impact, Z) | 4.9 kJ/m² | 7.4 kJ/m² |
| Heat resistance (HDT, 0.45 MPa) | 100°C | 87°C |
| Water absorption (saturated, 25°C, 55% RH) | 0.45% | 0.65% |
Specifications
| Material | ASA (acrylonitrile styrene acrylate) |
| Diameter | 1.75mm ± 0.03mm |
| Net weight | 1 kg per roll |
| Format | With Bambu high temperature reusable spool |
| Printers | Enclosed Bambu Lab printers |
| AMS | Compatible with AMS 2 Pro, AMS HT, and AMS. Not compatible with AMS lite |
| Build plates | Not compatible with the Cool Plate SuperTack |
| RFID | Print settings are stored on the spool and read automatically by the AMS |
Printing and Care
- Enclose and ventilate. Use an enclosed printer in a well-ventilated area, because pungent, unpleasant odors may be released during printing.
- Prevent warping. ASA can warp on large or high-infill models. Use an enclosure, glue the build plate, print at a lower speed, and raise the bed temperature.
- Dry before use. Drying gives the best print quality and a consistent finish. Store it in a dry place after use.
- Print safely. Use a well-ventilated area, and keep filament and fragments away from children and pets. This filament is not food-grade, so do not use finished prints for food storage or contact.