High-temperature polyimide labels with an ultra-durable adhesive withstand the extreme wash protocol and cleaning chemicals used in printed circuit board manufacturing. These labels withstand multiple cycles of harsh condition washes for printed circuit boards and electronic component preprocess labeling. Fulfill requirements for MIL-STD-202G Method 215K and SAE AS81531 Marking of Electrical Insulating Material when used with R4300 series ribbons. Brady Authentic materials work seamlessly with Brady printers for improved printer and material communication, seamless mobile app interaction, and better performance and reliability.