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3M™ Lead Foil Tape 420

3M Product Number  420     
Scotch(r) Masking Tape 420
Scotch(r) Masking Tape 420
3M™ Lead Foil Tape 420 Dark Silver, lead foil backing with a green rubber adhesive and a clear, easy-release film liner.
  • Dark silver, lead foil 4.7 mil backing, rubber adhesive, linered, temperature range -60F to 225 degrees F
  • Good conformability, electrically and thermally conductive, strong acid and base resistance, electroplating, radiation barrier, x-ray plate masking, weighting and balancing, die-cuttable
  • Resists flame, resists moisture, resists weather, resists UV degradation, chemical resistant tape, thermally conductive tape for heating and cooling efficiency, heat reflective tape, light reflective tape, conformable tape
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2 Results (Displaying results 1-2)
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3M IDUPCMarketplace Formal NameColorLengthWidth
70006386166000511389515043M™ Lead Foil Tape 420 Dark Silver, 50.8 mm x 32.9 m 6.8 mil, 6 per caseDark Silver35.98 Linear Yard2 Inch 
70006388311000511389541473M™ Lead Foil Tape 420 Dark Silver, 2 in x 36 yd 6.8 mil, 6 rolls per case BulkDark Silver36 Linear Yard2 Inch 
2 Results (Displaying results 1-2)
1
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.

Specifications

Adhesion to Steel oz/in (N/100 mm)45 (49)
Adhesive TypeRubber
Backing MaterialLead foil
Backing Thickness4.7 mil
Backing Thickness (metric)0.12 mm
Brand3M
ColorDark Silver
Elongation12 Percent
IndustriesTransportation, Specialty Vehicle, Metalworking, Construction, Automotive, Military & Government, General Industrial, Appliance, Electronics, Aerospace
Length35.98 Linear Yard, 36.08 Linear Yard, 36 Linear Yard, 35.97 Linear Yard
Length (Metric)32.9 m, 33 m, 32.91 m
Liner TypeEasy Release Film
Maximum Operating Temperature (Celsius)107 Degree Celsius
Maximum Operating Temperature (Fahrenheit)225 Degree Fahrenheit
Meets SpecificationsLockheed Martin LAC 24-8138, Lockheed Martin LAC 24-8137, Lockheed Martin LAC 24-8136, Lockheed Martin LAC 24-8135, Lockheed Martin LAC 24-8139, Lockheed Martin LAC 24-8119, Lockheed Martin LAC 24-8130, Lockheed Martin LAC 24-8118, Lockheed Martin LAC 24-8134, Lockheed Martin LAC 24-8133, Lockheed Martin LAC 24-8150, Lockheed Martin LAC 24-8132, Lockheed Martin LAC 24-8131, Lockheed Martin LAC 24-8125, Lockheed Martin LAC 24-8124, Lockheed Martin LAC 24-8127, Lockheed Martin LAC 24-8126, Lockheed Martin LAC 24-8147, Lockheed Martin LAC 24-8129, Lockheed Martin LAC 24-8146, Lockheed Martin LAC 24-8128, Lockheed Martin LAC 24-8149, Lockheed Martin LAC 24-8148, Lockheed Martin LAC 24-8143, Lockheed Martin LAC 24-8142, Lockheed Martin LAC 24-8145, Lockheed Martin LAC 24-8144, Lockheed Martin LAC 24-8121, Lockheed Martin LAC 24-8120, Lockheed Martin LAC 24-8141, Lockheed Martin LAC 24-8123, Lockheed Martin LAC 24-8122, Lockheed Martin LAC 24-8140, Lockheed Martin 2308400
Operating Temperature Range (Celsius)-51 to 107 Degree Celsius
Operating Temperature Range (Fahrenheit)-60 to 225 Degree Fahrenheit
Product FormRoll
Shelf Life in Months (from date of manufacture)18
Tensile Strength20 lb/in
Tensile Strength (metric)350 N/100mm
Total Thickness6.8 mil
Width6.62 Inch, 0.75 Inch, 5 Inch, 6 Inch, 2.87 Inch, 2.5 Inch, 5.25 Inch, 3.75 Inch, 0.62 Inch, 3.93 Inch, 4 Inch, 5.5 Inch, 12 Inch, 0.37 Inch, 1.25 Inch, 0.74 Inch, 18.97 Inch, 0.35 Inch, 19 Inch, 1 Inch, 23 Inch, 0.5 Inch, 3 Inch, 15 Inch, 0.25 Inch, 1.5 Inch, 16 Inch, 18 Inch, 2 Inch
Width (Metric)76.2 mm, 95.25 mm, 73.02 mm, 19.05 mm, 100 mm, 168.27 mm, 304.8 mm, 457.2 mm, 25.4 mm, 38.1 mm, 63.5 mm, 19 mm, 6.35 mm, 482.6 mm, 31.75 mm, 12.7 mm, 406.4 mm, 152.4 mm, 9 mm, 127 mm, 482 mm, 50.8 mm, 139.7 mm, 381 mm, 101.6 mm, 133.35 mm, 15.8 mm, 584.2 mm, 9.52 mm