Nazdar inks are not directly UL approved as UL does not test inks as an independent entity. Nazdar inks would be part of a completed product that would be UL tested. It is possible Nazdar inks will meet UL approval when tested as part of a finished product. Due to the multitude of processes and uses of Nazdar ink in different printing applications, it is up to the end user to conduct the necessary tests for UL approval.