Durable Polyester (B-490) markers are designed for use in laboratory identification applications such as vials, centrifuge, tubes, test tubes, straws and slides. B-490 labels can be applied to frozen surfaces including glass and polypropylene stored in liquid nitrogen when wrapped around itself by at least 1/8". Good print smudge resistance, solvent resistance and high/low temperature performance of -320 to 212° F (-196 to 100° C). RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC. RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC. 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 / BradyPrinter M611 / M611 Label Printers or M7-R4300 for the M710 / BMP71 Label Printers. This label is no longer compatible with TLS Series Printers.