This UltraChem ribbon is compatible with the LabelTac 4 Industrial Labeling Printer (LT4) and provides your labels with additional resistance to not just smearing and rubbing, but a wider variety of harsh chemicals such as ethanol, acetone, IPA, MEK, paint thinner, xylene, brake fluid, water, and more. UltraChem ribbon is ideal for automotive, barcoding, chemical drum, circuit board, and pharmaceutical and medical labeling.