Forget the fumbling around to find the right lab sample. Add color to reduce errors and increase efficiency with B-494 Color Polyester Labels—and differentiate your lab samples in a snap. Color printed below the label surface withstands the harshest lab environments, including liquid nitrogen, hot water baths and more. Get print that’s resistant to common lab chemicals like ethanol and xylene when you print with the R6400 ribbon series. Achieve superior print resistance to common laboratory chemicals like ethanol and xylene when you print with the R6400 ribbon. A ribbon is required to print this material. Use Part Number B30-R6400.