Laser Settings for Slate
Can you laser engrave slate?
Yes — slate is one of the most satisfying beginner materials. The beam turns dark slate pale grey, so designs come out light-on-dark with striking contrast, and even a small diode laser handles it well.
DIODE450 nm settings
| Variant | Operation | Speed | Power | Passes | Ref. |
|---|---|---|---|---|---|
| Slate | Engrave | 3,000–5,000 mm/min | 50–70% | 1 | 10 W |
✓ EngraveMarks pale-on-dark. Oil the whole coaster afterwards for contrast.
CO210.6 µm settings
| Variant | Operation | Speed | Power | Passes | Ref. |
|---|---|---|---|---|---|
| Slate | Engrave | 300–400 mm/s | 25–40% | 1 | 60 W |
PrepPreparation & technique
Wipe clean and dry first. Slate is never flat: focus on the centre of the engraving area. Bold designs beat fine detail — slate's texture eats thin lines.
⚠ SafetyProduces fine mineral dust — extraction on, wipe the bed down afterwards.
LearnMatching tutorials
All values are starting points at the stated reference wattage. Run a test grid on your own machine and material batch first.