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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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3M IDUPCMarketplace Formal NameColorLengthWidth
70006388014000511389538433M™ Lead Foil Tape 420 Dark Silver, 3-3/4 in x 36 yd, 9 rolls per case BoxedDark Silver36 Linear Yard3.75 Inch 
70006386158000511389514983M™ Lead Foil Tape 420 Dark Silver, 38.1 mm x 32.9 m 6.8 mil, 9 per caseDark Silver35.98 Linear Yard1.5 Inch 
70006394863000511389612373M™ Lead Foil Tape 420 Dark Silver, 2-1/2 in x 36 yd 6.8 mil, 4 rolls per case BulkDark Silver36 Linear Yard2.5 Inch 
70006388550000511389543833M™ Lead Foil Tape 420 Dark Silver, 19 in x 36 yd 6.8 mil, 1 roll per case BulkDark Silver36 Linear Yard19 Inch 
70006389046000511389548713M™ Lead Foil Tape 420 Dark Silver, 1-1/4 in x 36 yd 6.8 mil, 36 rolls per case BulkDark Silver36 Linear Yard1.25 Inch 
70006392115000511389580463M™ Lead Foil Tape 420 Dark Silver, 5-1/4 in x 36 yd 6.8 mil, 3 rolls per caseDark Silver36 Linear Yard5.25 Inch 
70006390879000511389567143M™ Lead Foil Tape 420 Dark Silver, 6 in x 36 yd 6.8 mil, 3 rolls per case BoxedDark Silver36 Linear Yard6 Inch 
70006390895000511389567383M™ Lead Foil Tape 420 Dark Silver, 3/8 in x 36 yd 6.8 mil, 24 per case BoxedDark Silver36 Linear Yard0.37 Inch 
70006393014000511389592583M™ Lead Foil Tape 420 Dark Silver, 18 in x 36 yd, 1 roll per case BulkDark Silver36 Linear Yard18 Inch 
70006390945000511389567833M™ Lead Foil Tape 420 Dark Silver, 1/4 x 36 yd 6.8 mil, 36 rolls per case BulkDark Silver36 Linear Yard0.25 Inch 
70006388287000511389541163M™ Lead Foil Tape 420 Dark Silver, 1/2 in x 36 yd 6.8 mil, 18 rolls per case BulkDark Silver36 Linear Yard0.5 Inch 
70006390903000511389567453M™ Lead Foil Tape 420 Dark Silver, 4 in x 36 yd 6.8 mil, 3 rolls per case BoxedDark Silver36 Linear Yard4 Inch 
70006386125000511389514673M™ Lead Foil Tape 420 Dark Silver, 12.7 mm x 32.9 m 6.8 mil, 18 per caseDark Silver35.98 Linear Yard0.5 Inch 
70006386174000511389515113M™ Lead Foil Tape 420 Dark Silver, 482 mm x 32.9 m 6.8 mil, 1 roll per caseDark Silver35.97 Linear Yard18.97 Inch 
70006394855000511389612203M™ Lead Foil Tape 420 Dark Silver, 2-7/8 in x 36 yd 6.8 mil, 4 rolls per case BulkDark Silver36 Linear Yard2.87 Inch 
33 Results (Displaying results 1-15)
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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