B-459 is designed for applications such as topside of printed circuit boards and rating plates that utilize high quality/density alphanumerics, barcodes and graphics. We recommend Brady Series R4900 and R6000 black ribbons, Brady Series R6000HF (low halogen), and Brady Series R4400 colored (red, green, blue) ribbons. UL: B-459 is UL Recognized to UL 969 Labeling and Marking Standard when printed with Brady Series R4900 or R6000 black and R4400 colored ribbons. See UL file MH17154 for specific details. CSA: B-459 is CSA Accepted to C22.2 No.0.15-95 Adhesive Labels Standard when printed with Brady Series R4900 and R6000 ribbon. See CSA file 041833 for specific details. Brady B-459 is RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC.