text.skipToContent text.skipToNavigation

3M 420 Lead Foil Tape, 1/4" x 36 yd x 6.8 Mil, Dark Silver, 36/Case

ID: 3M420X.25 Mfr ID: 70006389491
Manufactured by: 3M Industrial Adhesives and Tapes
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.

USD $60.41 / RL

Buy more and save

36-47 $60.41 / RL
48+ $51.39 / RL

Check availability 

This item may be sold in units of 36.

  • Brand name :  3M
  • Series :  420
  • Item Name :  Tape
  • Short Desc :  TAPE,3M 420 .250"X 36YD ROLL DSLV
  • Packaging :  36/Case
  • UPC :  00051138955328
  • UNSPSC :  31201500

3M lead foil tape 420 is backed with a rubber adhesive, offering excellent conformability in a variety of application conditions, indoors and out. Best results are obtained when applied to a clean dry surface above 32 deg F.

Performance Details
Adhesive Strength 45  oz/Inch
Elongation 12% 
Tensile Strength 20  lb/Inch
Design & Construction
Color Dark Silver 
Adhesive Type Rubber 
Backing Material Lead Foil 
General Features
Shelf Life 18 Months 
Storage Temperature 16 to 27 deg C 
Environmental Condition
Temperature Rating 107  deg C
Physical Properties
Width 0.25  Inch
Length 36  Yard
Thickness 6.8  Mil
Core Size 3 Inch 

3M 420 Lead Foil Tape, 1/4" x 36 yd x 6.8 Mil, Dark Silver, 36/Case Technical Data Sheet 

Features :

  • Very good conformability
  • Good thermal properties and will perform over a wide variety of temperature conditions (-60 to 225 deg F or -54 to 106 deg C). It has been used at higher temperatures for shorter duration
  • Electrically and thermally conductive
  • Can be die-cut into specific shapes
  • This material when disposed of separately is classified as RCRA hazardous waste
  • Elevated lead levels in water may result from long-term submersion of this product
  • Temperature rating of -51 to 107 deg C

Applications :

  • For Electroplating, Radiation Barrier, Moisture Barrier, Chemical Milling, X-ray Plate Masking, Maskant During Paint Stripping