High temperature polyimide labels with an ultra-durable adhesive withstand the extreme wash protocol and cleaning chemicals used in printed circuit board manufacturing. Amber in color with a matte finish. Withstand multiple cycles of harsh condition washes for printed circuit boards and electronic component preprocess labeling. Resist high temperatures up to 572°F (300°C). Fulfill requirements for MIL-STD-202G Method 215K and SAE AS81531 Marking of Electrical Insulating Material when used with R4300 Series ribbons. Survive on the top or bottom side of printed circuit boards through the solder process. Brady Authentic materials work seamlessly with Brady printers for improved printer and material communication, seamless mobile app interaction, and better performance and reliability. A ribbon is required to print this material. Use Part Number M61-R4310 for the M610 / BMP61 / M611 Label Printers or M7-R4300 for the M710 / BMP71 Label Printers.