Resolving Hazard Classification Discrepancies for Printing Ink Materials

Overview Printing inks are formulations of mixtures made from “raw materials,” which are comprised of chemical substances. A common problem in chemical hazard classification of mixtures is assigning the appropriate chemical classification and resolving discrepancies in classification. It is often found that the same printing ink chemicals may be classified differently by different suppliers. The discrepancies in chemical classification stem partially from differences in classification of c...