BMP71 BMP61 M611 TLS 2200 Clear Polyester Asset Tracking Labels. Clear Polyester (B-430) labels are designed for applications that use barcodes, alpha numeric, graphic symbols and logos and require nameplate-like quality. Glossy, clear labels are thermal transfer printable and feature a durable permanent acrylic adhesive. Excellent resistance to most chemicals, oils and water. UL approved; CSA accepted. Service temperature of -70 to 100 °F (-56 to 137 °C). A ribbon is required to print this material. Use Part Number M71-R6000.