There are thousands of different types of plastics, and we have the laser technology to mark most all of them. Here is a list of some of the most common plastics our lasers can mark; 

Polyurethane (PU)

Polyethylene (PE)
Polyvinyl Chloride (PVC)
Polypropylene (PP)
Polystyrene (PS)
Polylactic Acid (PLA)
Polycarbonate (PC)
Acrylic (PMMA)
Acetal (Polyoxymethylene, POM)
Nylon (PA)
ABS (Acrylonitrile Butadiene Styrene)
and many more...