3M 421 tape is a very conformable lead foil tape, coated with a rubber adhesive on one side. It is used in electroplating and hardchrome plating, radiation barriers and chemical milling applications. 3M 421 is available in non-standard slit rolls, sheets and custom shapes.
Download: 3m-421-tape-parafix
Adhesive | Rubber |
Carrier | Lead foil |
Colour | Dark silver |
Thickness (mm) | 0.16 |
Min. temp (˚C) | -51 |
Max. short temp (˚C) | 107 |
Manufacturer / SOS | 3M™ |
Elongation (%) | 11-20, 14 |
Adhesion to steel (N/cm) | 3.4 |
Tensile strength (N/cm²) | 26 |
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