CO2 vs UV: Side-by-Side Comparison
Shenzhen, China
Published: Jul 3, 2026
CO2 vs UV: Side-by-Side Comparison
| Factor | CO2 Laser | UV Laser |
|---|---|---|
| Wavelength | 10.6 µm (infrared) | 355 nm (ultraviolet) |
| Marking Mechanism | Thermal (heat-based) | Photochemical (“cold marking”) |
| Heat Affected Zone | Large | Minimal |
| Mark Precision | Good (100+ µm features) | Excellent (10–50 µm features) |
| Contrast on Plastics | Moderate | High |
| Marking Speed | Fast | Moderate |
| Machine Cost | $3,000–$15,000 | $10,000–$40,000 |
| Operating Cost | Low (tube replacement every 2–5 years) | Moderate (optics maintenance) |
| Best Plastics | PET, PE, PP, PVC, acrylic | ABS, PC, nylon, PEEK, POM |
| Risk of Damage | Higher (melting, warping) | Very low |
| Production Integration | Easy (proven on packaging lines) | Easy (growing adoption) |
