For additional technical information on our rubber printing inks, we offer certificates of analysis conducted by our in-house quality assurance. Our analysis includes tests for viscosity, solid content, liquid content, and density. Additionally, we partner with a certified laboratory in Germany to conduct tests for salvia and sweat resistance, PAH, Phthalates, Nitrosamines, and migration of certain elements. Contact us today to learn more about our high-quality rubber printing inks.