This black electrical grade, rubber-based, self-fusing insulating putty is supplied in tape form. The inner unit pack is 4 rolls with 12 rolls per case.
3M™ Scotchfil™ Electrical Insulation Putty can be wrapped, stretched or molded around irregular shapes for quick, smooth insulation build-up. Use 3M™ Scotchfil™ Putty to insulate connections up to 600 volts and to round out high-voltage connections to gear, smooth bus bar irregularities, and make a moisture seal at ground wire exits in high-voltage splices. UL Recognized Component listing for 176(deg)F (80(deg)C) when used in combination with Scotch® Super 33+™ or Scotch® Professional Grade Vinyl Electrical Tapes Super 88.