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  • Mastic Tapes

    Pad, protect and insulate electrical connections up to 600 volts with 3M™ Mastics. Need to apply an insulating barrier or moisture-seal to an odd shape? Scotch® Mastic Tapes are made of a self-fusing, butyl rubber-based insulating compound. 3M mastics tapes are available with a vinyl (PVC) backing, a primary insulating rubber backing, or no backing at all.


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