3M Lead Foil Tape 421 Dark Silver, 1 in x 36 yd 6.3 mil, 9 rolls per case Bulk
3M Lead Foil Tape 421 Dark Silver, 6.3 mil (0.16 mm) lead foil backing with a green rubber adhesive.
3M Lead Foil Tape 421, 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.
UPC Number 00051138953089
MFG Number 70006387263