When it comes to laser safety, knowing what materials not to engrave or cut is just as important as knowing what you can.

Watch the full video on our main channel @LaserEverything where we walk through how to use CAS numbers and Safety Data Sheets (SDS) to uncover the hidden dangers inside common materials like PVC and ABS. We’ll also break down why SDSs aren’t perfect, how to cross-check with trusted scientific sources, and the red-flag decomposition products that should keep certain plastics far away from your laser.