3M 421 is a 6.3 mil. lead foil backing with a rubber adhesive used as a maskant in electroplating and chemical milling and as a moisture and radiation barrier in certain applications.
| Budnick Converting, Inc. | |
|---|---|
| Product Category | Adhesive Tapes |
| Product Number | 421 |
| Product Name | Lead Foil Tape |
| Type | Foil Tape; Adhesive Tape; Industrial Tape |
