3M 420 Lead Foil Tape, 1/4" x 36 yd x 6.8 Mil, Dark Silver, 36/Case
ID: 3M420X.25 | Mfr ID: 70006389491Manufactured by: 3M Industrial Adhesives and Tapes

3M 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.
USD $60.41 / RL
Buy more and save
36-47 | $60.41 / RL |
48+ | $51.39 / RL |
- Brand name :  3M
- Series :  420
- Item Name :  Tape
- Short Desc :  TAPE,3M 420 .250"X 36YD ROLL DSLV
- Packaging :  36/Case
- UPC :  00051138955328
- UNSPSC :  31201500
3M lead foil tape 420 is backed with a rubber adhesive, offering excellent conformability in a variety of application conditions, indoors and out. Best results are obtained when applied to a clean dry surface above 32 deg F.
Performance Details
Adhesive Strength | 45 oz/Inch |
Elongation | 12% |
Tensile Strength | 20 lb/Inch |
Design & Construction
Color | Dark Silver |
Adhesive Type | Rubber |
Backing Material | Lead Foil |
General Features
Shelf Life | 18 Months |
Storage Temperature | 16 to 27 deg C |
Environmental Condition
Temperature Rating | 107 deg C |
Physical Properties
Width | 0.25 Inch |
Length | 36 Yard |
Thickness | 6.8 Mil |
Core Size | 3 Inch |
3M 420 Lead Foil Tape, 1/4" x 36 yd x 6.8 Mil, Dark Silver, 36/Case Technical Data Sheet
Features :
- Very good conformability
- Good thermal properties and will perform over a wide variety of temperature conditions (-60 to 225 deg F or -54 to 106 deg C). It has been used at higher temperatures for shorter duration
- Electrically and thermally conductive
- Can be die-cut into specific shapes
- This material when disposed of separately is classified as RCRA hazardous waste
- Elevated lead levels in water may result from long-term submersion of this product
- Temperature rating of -51 to 107 deg C
Applications :
- For Electroplating, Radiation Barrier, Moisture Barrier, Chemical Milling, X-ray Plate Masking, Maskant During Paint Stripping