3M 420 Lead Foil Tape Silver, 1/2 in x 36 yd

3M(TM) Lead Foil Tape 420 Dark Silver, 1/2 in x 36 yd 6.8 mil, 18 per case Bulk 3M(TM) Lead Foil Tape 420 Dark Silver, lead foil backing with a green rubber adhesive and a clear, easy-release film liner. 3M(TM) Lead Foil Tape 420, linered tape used as a maskant in electroplating and as a moisture and radiation barrier in certain applications. Lead foil backing provides good conformability having electrically and thermally conductive properties. This linered tape can be easily die-cut into special sizes or shapes.