Durable Freezerbondz® Polyester (B-492) markers are designed for laboratory identification applications such as vials, centrifuge, tubes, test tubes, straws and slides. Can be applied to frozen surfaces including glass and polypropylene stored in liquid nitrogen. Good print smudge resistance, solvent resistance and high/low-temperature performance range of -320 to 212° F (-196 to 100° C). 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-R6410.