Rubber is very vivacious and changeable material, but it can be marked too. And CO2 laser can mark rubber deeply. The results point on the CO2 laser as an ideal device.

It is necessary to amend laser system with the air exhaustion part, which pulls resulting exhausts away from operative.

Using a dot peen technology with AC500 controller could be suitable for a kind of hard rubber. It depends on real trials with different settings.