... -690 laser cutting and engraving machine Applicable mateicals >Plexiglass,acrylic,wooden board,plastic,rubber,crystal,ceramic tile,bamboo,grantile,marble,resin etc. non-metal ... product,acrylic etc. industries3.Technical parameters > Laser power :60W(70w,80w,100w -optional)Laser type:Hermetic CO2 glass tubePower supply:AC220±10% 50HZ ...