Permanent Polyester B-423 is ideal for electronic PCB and component identification, barcode labels, rating plates and solar panel identification. Glossy white finish with permanent acrylic is thermal transfer printable. UL approved; CSA accepted. Meets requirements of a halogen-free material per DIN VDE 0472 part 815. Service temperature of -94 to 230 deg F -70 to 110 deg C. A ribbon is required to print this material. Use Part Number B30-R6000.