This ink-side-out ribbon features an open 1/2" core and is to be used for the Brady BBP11 Label Printer and BBP12 Label Printer One-color ribbon for printing a single color onto a label Combine label materials from Brady® with their recommended ribbon series for superior legend performance Material Characteristics Material Number R4900 (View Technical Data Sheet) Material Properties Halogen-free Colour Black Ribbon Colour Options Single Color Ribbon Resistance Properties Halogen Free, High Temperature-resistant, Smear-resistant, Solvent-resistant Minimum Service Temperature °F 41 °F Maximum Service Temperature °F 95 °F Ribbon Formulation Type Resin