The smooth surface of this tape allows dirt and grime to be easily wiped off, providing text legibility even after extended exposure to a build-up of contamination. 3M™ ScotchCode™ Wire Marking Tape SDR is available in ten NEMA colors, individual numbers and consecutive numbers. The SDR tape can be used for the following applications involving operating temperatures ranging from -40°F to 250°F (-40°C to 121°C): Marking all types of wire and cable including power, control, fiber optic, electronic, telecommunications and instrumentation; Phase identification on large or small gauge wire or cable; Identification of terminal blocks, terminal strips, and wire in panel boards or a piece of switchgear; Automotive applications on tubing, hoses and replacement parts.