White BMP51/BMP53 FreezerBondz B-302 Laboratory Label. Durable Freezerbondz® Polyester (B-492) markers are designed for laboratory identification applications such as vials, centrifuge, tubes, test tubes, straws and slides. B-490 labels can be applied to frozen surfaces including glass and polypropylene stored in liquid nitrogen. Matte white polyester material has a permanent acrylic adhesive and is thermal transfer printable. Good print smudge resistance, solvent resistance and high/low temperature performance of -320 to 212 °F (-196 to 100 °C). All-in-one cartridge includes label supply and R6400 Series ribbon.