Many types of plastic react to the laser by producing carbonization effects, which can be used to achieve a dark coloration. This ensures a very good contrast in light-colored plastics. The important parameter for this effect is the absorption of laser light by the material. This is why it may be beneficial to use a green-light laser for some plastic types.
Appropriate laser sources:
In case of questions regarding this application, please do not hesitate to contact us using this form.