A speed and power table tells you how someone processed a material; it does not prove that your unknown sheet is safe to laser. The base material, coating, adhesive, pigment, flame retardant and filler can all change fumes, fire behavior and the result.
The minimum identity you need
Before processing, record:
- the exact product and supplier;
- the base material and thickness;
- every visible or declared coating, laminate, film and adhesive;
- the manufacturer's laser-processing guidance;
- the current Safety Data Sheet (SDS) when one exists;
- whether your machine manufacturer permits the material with your enclosure, extraction and filtration setup.
A seller's phrase such as “plastic”, “foam”, “leather”, “acrylic-like” or “laser material” is not a chemical identity. Appearance, smell and a burn test are not reliable identification methods.
A repeatable decision path
- Read the product label and invoice. Photograph the label so the record remains with offcuts.
- Find the manufacturer's product page and SDS using the exact product code, not only a generic material name.
- Check composition, coatings and adhesive separately. A safe base sheet does not automatically make an unknown surface film or glue safe.
- Compare this information with the laser manufacturer's approved/prohibited materials and ventilation requirements.