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3M™ Lead Foil Tape 421 Dark Silver, 4 in x 36 yd 6.3 mil, 12 rolls per case Bulk

3M ID  70006387339    UPC#  00051138953157    Part Number  421    3M Product Number  421     
3M(TM) Lead Foil Tape 421
3M(TM) Lead Foil Tape 421
3M™ Lead Foil Tape 421 Dark Silver, 6.3 mil (0.16 mm) lead foil backing with a green rubber adhesive.
  • Dark silver, lead foil 4.0 mil backing, rubber adhesive, 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
  • 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 421, 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.

Specifications

Adhesion to Steel oz/in (N/100 mm)31 (34)
Adhesive TypeRubber
Backing MaterialLead foil
Backing Thickness4 mil
Backing Thickness (metric)0.1 mm
Brand3M
ColorDark Silver
Elongation14 Percent
IndustriesTransportation, Specialty Vehicle, Metalworking, Construction, Automotive, Military & Government, General Industrial, Appliance, Electronics, Aerospace
Length36 Linear Yard
Length (Metric)32.91 m
Liner TypeEasy Release Film
Maximum Operating Temperature (Celsius)107 Degree Celsius
Maximum Operating Temperature (Fahrenheit)225 Degree Fahrenheit
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 Strength15 lb/in
Tensile Strength (metric)263 N/100mm
Total Thickness6.3 mil
Width4 Inch
Width (Metric)101.6 mm