With discoloration of plastics, individual molecules like color pigments are targeted for destruction or structural change by the energy of the laser beam. The surface of the material is heated only locally by the laser beam and remains almost undamaged. This process is especially gentle for the material and the surface.

Application Video for laser marking of plastic

Schematic of laser marking of plastic

1: Scanner 2: Objective 3: Laser beam 4: Work piece 5: Cooled, discolored area


Laser systems recommended for the discolouration of plastics

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