The Brady R4900 Series ribbon is based on a resin formulation which offers the end user a high performance image when used with Brady label materials. Advantages of the R4900 Series ribbon, when printed on the appropriate Brady label, include excellent solvent resistance, high heat resistance and excellent smear resistance.
MFG Part Number
Coated Side Out (CSO)
BBP®72 Double-sided Sleeve Printer, BBP®81 Label Printer, BradyPrinter i7100 Industrial Label Printer, BradyPrinter PR Plus Series Label Printer, THT 3 Inch Core Printers
Brady R4900 Resin Ribbon Data Sheet.pdf
https://www.midwestbarcodingsolutions.com/content/product_downloads/brady/Brady R4900 Resin Ribbon Data Sheet.pdf