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SKU 7000001314
Legacy SKU 70006388303
UPC 00051138954130
Product Number 420

3M™ Lead Foil Tape 420 is an electrically and thermally conductive tape. This highly conformable tape resists flame, moisture, weather, UV degradation, chemicals and radiation. Mated with an easy-release film liner, this malleable tape can be shaped into complex or detailed patterns or die-cut into specific shapes to meet assembly and manufacturing process needs.

  • Conformable tape resists flame, moisture, weather, UV degradation, and many chemicals used in electroplating and anodizing processes
  • The rubber-based adhesive bonds well to a variety of surfaces, including most metals
  • Performs over a wide variety of temperatures
  • Liner allows tape to be die-cut into specific shapes for assembly and manufacturing processes
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On it's way to you October 6   


Minimum Order 9 Rolls
Order Increment 9 Rolls
  Immense Durability
  High Performance Tape
  Global Shipping
  Industry Low Price Per Roll
Product Dimensions
Imperial Metric
Width 1 in 2.5 cm
Length 36 yd 32.9 m
Shipping Dimensions
Weight 28.5 lb
Length 13.2 in
Width 6.8 in
Height 6.8 in
Color Silver


  1. What is the application of 3M™ Lead Foil Tape 420?

    The 3M™ Lead Foil Tape 420 has a variety of applications, including radiation and electroplating shielding, moisture barrier wrapping for cables and pipes, chemical milling masking tape, and X-ray plate masking.

  2. What size is the roll of tape?

    Each roll of the 3M™ Lead Foil Tape 420 measures one inch by thirty-six yards with a thickness of 6.8 mil.

  3. How many rolls are included in a case?

    There are nine rolls per case for your convenience when purchasing multiple units at once.

  4. Can this tape withstand extreme temperatures or harsh environmental conditions?

    Yes! With its durable lead foil material construction, this tape offers excellent resistance to both heat and cold. Its pressure-sensitive adhesive ensures long-lasting use in even harsh environmental conditions as well.

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
Pliable and Conductive Lead Tape

3M™ Lead Foil Tape 420 is a dark gray, lead foil backed tape coated with a distinct green rubber adhesive that offers good initial grab and a long-lasting bond that removes cleanly for most surfaces. It is an extremely conformable and pliable tape that can be formed into detailed and intricate shapes and patterns. The lead foil backing can be burnished to fully cover the adhesive and allow full contact of the lead foil to the metal base. This metal to metal contact results in a continuation of the electrical path, reducing build-up at the adhesive interface.

This lead foil tape is formulated to be electrically and thermally conductive and carries a strong acid and base resistance, making it ideal for electroplating or as a radiation barrier. Due to the density, weight and malleability of the lead foil, this tape makes an excellent choice for weighting and balancing, particularly for golf clubs where weight and conformability are crucial for balance and club performance.

Application Ideas
  • Masking applications in electroplating
  • Radiation barrier
  • Moisture barrier
  • Chemical milling
  • Add weight and balance to equipment parts, golf clubs, tennis rackets, etc.
Brochures, Catalogs & Data Sheets