Halogen-free insulation ink supply can be used for screen printing UV curing (UV curing) insulation ink, PET or ITO film can be printed on insulating layer to conductive lines printed on it. Main purposes: printed circuit printed on the bridge (CROSSOVER) insulating layer, etching of copper printed circuit board compartment, in the high temperature and high humidity under the environment remains very good adhesion, UV radiation is immediately cured, easy to operate. Halogen-free insulation which type of ink, halogen-free test line with EU standards.