3M™ ScotchCode™ Wire Marker Tape Refill Roll SDR is available in ten NEMA colors, individual numbers and consecutive numbers, letters and symbols. 3M ScotchCode™ Wire Marker Tape Refill Roll SDR tape features a high tack, acrylic adhesive that resists solvents, oil and water and adheres firmly to insulation surfaces. The SDR tape can be used for applications with operating temperatures between -40°F (-40°C) to 250°F (121°C).