ABS
Frequently asked questions
Can ABS be laser cut?
With some limitations: ABS can be laser cut. However, it releases toxic fumes — machining is not recommended.
Can ABS be CNC machined?
Yes: ABS can be CNC machined.
Can ABS be 3D printed?
Yes, using FDM.
Is ABS food safe?
No, ABS is not considered food safe.
Physical properties
| Density | 1040.0–1060.0 kg/m³ |
|---|---|
| Tensile strength | 40.0 MPa |
| Melting point | 220.0–260.0 °C |
| Glass transition (Tg) | 105.0 °C |
| Thermal expansion | 90.0 µm/m·K |
| Moisture absorption | Low |
Laser processing
Releases dense, acrid-smelling fumes containing styrene (suspected carcinogen, respiratory irritant), carbon monoxide, and butadiene. Forced external ventilation or chemical fume hood mandatory.
CO₂: Cuttable with CO2 laser but with mediocre quality results. Tends to melt and form black carbon deposits on cut edges. Requires a powerful air assist.
Diode: Highly discouraged due to thermal buildup and toxic fumes without a professional filtration system.
Fiber: Not applicable.
CNC / milling processing
Excellent CNC machinability. Thanks to its high glass transition temperature (~105 degree C), it has very little tendency to gum up and melt on the bit compared to other plastics. Produces clean chips.
3D printing
Plotter and thermoforming
Post-processing
Sanding: Easy to sand dry or wet. Does not quickly clog abrasive paper like PLA. Wear a dust mask. Grit 180 to 240 to 400.
Primer: mandatory. Filler primer recommended if 3D printed in FDM to smooth layer lines.
Gluing: Excellent structural bonding via chemical welding with pure acetone or ABS cement (ABS dissolved in acetone). Glued parts fuse into a single block.
Over time: Poor outdoor resistance: UV rays cause yellowing, embrittlement, and surface cracking of the polymer within a few months.
Common defects
- Extreme warping (corner lift) and intermediate layer delamination in 3D printing without a heated enclosure
- Emission of toxic, irritating fumes and odours during hot processing
Safety
Recommended PPE: mask_p3
Use only in environments equipped with suitable forced fume extraction to the outside. Not recommended for non-professional domestic use.
Availability and formats
Commercial formats: filament 1.75mm, sheets 1–6mm, round bars
Related materials
Sources
- ISO 2580 — Acrylonitrile-butadiene-styrene (ABS) molding materials
- OSHA Styrene Standard Guidelines
Information on compatibility, processing parameters and safety is purely indicative. MakerSpecs accepts no liability for damage to persons or property arising from the use of this data. Always check the safety rules and the manufacturer's official manuals before carrying out any processing.