Polypropylene (B-7425) material is ideal for general purpose barcode applications and withstands liquid nitrogen, autoclave and other harsh environments. Matte white polypropylene with acrylic adhesive is thermal transfer printable. Perfect for laboratory identification such as vials, centrifuge tubes and test tubes. Service temperature of -112 to 158° F (-80 to 70° C). Service temperature of -112 to 158° F (-80 to 70° C). A ribbon is required to print this material. Use Part Number IP-R6406 for the BradyPrinter i5100 or BRADY IP® Series Label Printer; use R6406 for a different printer.