From liquid nitrogen to autoclave, B-7425 labels remain adhered to specimen containers through the toughest laboratory environments. Made of a durable polypropylene material, research, academic and clinical labs now have an economical solution for identifying vials, tubes and other specimen containers prior to being frozen. B-7425 laboratory labels are made to perform across a wide temperature range while withstanding exposure to common laboratory solvents, such as DMSO, short term Xylene, IPA and ethanol.