RFH 355nm UV Laser Contactless Marking of Plastics, Zero Consumables   Plastic marking, non-ultraviolet laser is none other than plastic. Plastic is a material widely used in our lives. It has different classifications, but no matter what kind of plastic is difficult to resist the erosion of high temperature, it is for this reason that many manufacturers prefer to Using the more backward ink jet coding method, and reluctance to replace the more advanced method that may lead to increased damage rates.