Acrylic is not the same as acrylic?
Acrylic can be laser-engraved and -cut. The slightly more expensive cast acrylic (“gs”) enables crystal-clear cut edges and white engraving. However, in order to obtain a quality cut, the speed should be reduced. As a rule of thumb, a minimum of 10 W of laser power should be applied per mm of material thickness for a high-quality cut in one run. Laser cutting of extruded acrylic (“ex”) also produces crystal clear edges, but with a small burr. Extruded acrylic requires less laser power for cutting, but it is rather difficult to engrave. Acrylic is prone to flaming if the gases caused by the laser process are not removed efficiently; a high-performance exhaust system is therefore essential. Furthermore, the laser-engraving machine must never run without supervision.