Unlike ink printing on the surface of packaging films by TTo, 355nm-wavelength Uv-FT Series UV Laser Coding System iscapable of marking through the surface of packaging flm into the nextlayer. UV lasers feature cold coding quality laser beam. itis able to mark out high-guality results with minimal heat stress to the packaging materials'surface. no damage occurs. itdelivers precise marking for for a wide range of films