BMP71 BMP61 M611 TLS 2200 Continuous Glossy White Polyester Asset and Equipment Tracking Labels. Permanent Polyester (B-423) is ideal for electronic PCB and component identification, bar code 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 °F (-70 to 110 °C). A ribbon is required to print this material. Use Part Number M71-R6000.