Printable, paper labels for thermal transfer printers. Brady B-424 provides good contrast and smear resistance for thermal transfer and barcode printing. Print technology: Thermal transfer. Material type: White Paper. Finish: Matte. Adhesive: Permanent Rubber. Applications: Low cost, general purpose labeling. Recommended Ribbons: Brady Series R4300 and R6100 black ribbons, Brady Series R4500 colored ribbons (red, blue, green). Regulatory: Brady B-424 is RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC.