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3M™ Lead Foil Tape 420 Dark Silver, 1/4 in x 36 yd 6.8 mil, 1 roll per case Boxed

3M ID  70006390937    Part Number  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 225F
  • 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
  • Automotive, Aerospace, HVAC, Appliance, Military, Government, Defense, Marine, Metal Finishing, Electronics, Recreational Vehicle, Construction, General Industrial
  • Masking, sealing, seaming, shielding, chemical stripping, harness wrapping, joining, vibration damping, electroplating, plastic protection, chemical milling, heat shielding, heat reflecting, paint stripping
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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
IndustriesGeneral Industrial, Construction, Automotive, Aerospace, Electronics, Specialty Vehicle, Metalworking, Transportation, Appliance, Military & Government
Length36 Linear Yard
Length (Metric)32.91 m
Liner TypeEasy Release Film
Operating Temperature Range (Celsius)-51 to 107 Degree Celsius
Operating Temperature Range (Fahrenheit)-60 to 225 Degree Fahrenheit
Product FormRoll
Shelf Life18 Months
Tensile Strength lb/in (N/100 mm)20 (350)
Total Thickness6.8 mil
Width0.25 Inch
Width (Metric)6.35 mm