Scotch® Super 33+ Vinyl Electrical Tape is a 7 mil thick, premium grade tape that provides electrical insulation for all wires and cables rated up to 600V. The flame retardant tape withstands a temperature range of 0 to 221 °F ( 18 to 105 °C). It is compatible with solid dielectric cable insulation, synthetic cable insulations, jackets and splicing compounds.