3M 420 TAPE Lead Foil Tapes

3M(TM) 420 is an electrically and thermally conductive lead foil tape.

  • Linered (clear easy-release film) 
  • Dark Silver 
  • Lead foil backing 
  • Green rubber adhesive

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Size/DescriptionColorUOMPrice 
1+ Rolls10+ Rolls25+ Rolls50+ Rolls
Size: 3M 420 0.125" x 36yd
Part #: 3M 420 0.125" x 36yd
Package Qty: 1
RollNA$20.98$19.81$18.65Add to Cart
Size: 0.125-5-420
Part #: 0.125-5-420
Package Qty: 1
RollNANA$5.51$5.18Add to Cart
Size: 3M 420 0.188" x 36yd
Part #: 3M 420 0.188" x 36yd
Package Qty: 1
RollNA$29.46$27.82$26.18Add to Cart
Size: 0.25-5-420
Part #: 0.25-5-420
Package Qty: 1
RollNA$11.66$11.01$10.36Add to Cart
Size: 3M 420 0.313" x 36yd
Part #: 3M 420 0.313" x 36yd
Package Qty: 1
RollNA$49.04$46.32$43.59Add to Cart
Size: 0.375-5-420
Part #: 0.375-5-420
Package Qty: 1
RollNA$17.49$16.52$15.54Add to Cart
Size: 3M 420 0.438" x 36yd
Part #: 3M 420 0.438" x 36yd
Package Qty: 1
RollNA$68.63$64.81$61.00Add to Cart
Size: 3M 420 0.47" x 36yd
Part #: 3M 420 0.47" x 36yd
Package Qty: 1
RollNA$73.64$69.55$65.46Add to Cart
Size: 3M 420 0.563" x 36yd
Part #: 3M 420 0.563" x 36yd
Package Qty: 1
RollNA$88.21$83.31$78.41Add to Cart
Size: 0.625-5-420
Part #: 0.625-5-420
Package Qty: 1
RollNA$21.38$20.19$19.00Add to Cart
Size: 3M 420 0.688" x 36yd
Part #: 3M 420 0.688" x 36yd
Package Qty: 1
Roll$119.77$107.79$101.80$95.82Add to Cart
Size: 3M 420 0.71" x 36yd
Part #: 3M 420 0.71" x 36yd
Package Qty: 1
Roll$123.60$111.24$105.06$98.88Add to Cart
Size: 3M 420 0.875" x 36yd
Part #: 3M 420 0.875" x 36yd
Package Qty: 1
Roll$152.32$137.09$129.47$121.86Add to Cart
Size: 0.875-5-420
Part #: 0.875-5-420
Package Qty: 1
RollNA$29.92$28.25$26.59Add to Cart
Size: 3M 420 0.94" x 36yd
Part #: 3M 420 0.94" x 36yd
Package Qty: 1
Roll$163.64$147.28$139.09$130.91Add to Cart
Size: 3M 420 1.125" x 36yd
Part #: 3M 420 1.125" x 36yd
Package Qty: 1
Roll$195.84$176.26$166.46$156.67Add to Cart
Size: 3M 420 1.375" x 36yd
Part #: 3M 420 1.375" x 36yd
Package Qty: 1
Roll$239.36$215.42$203.46$191.49Add to Cart
Size: 3M 420 1.5" x 36yd
Part #: 3M 420 1.5" x 36yd
Package Qty: 1
Roll$261.12$235.01$221.95$208.90Add to Cart
Size: 1.5-5-420
Part #: 1.5-5-420
Package Qty: 1
RollNA$44.30$41.84$39.38Add to Cart
Size: 3M 420 1.625" x 36yd
Part #: 3M 420 1.625" x 36yd
Package Qty: 1
Roll$282.88$254.59$240.45$226.30Add to Cart
Size: 3M 420 1.75" x 36yd
Part #: 3M 420 1.75" x 36yd
Package Qty: 1
Roll$304.64$274.18$258.94$243.71Add to Cart
Size: 3M 420 1.875" x 36yd
Part #: 3M 420 1.875" x 36yd
Package Qty: 1
Roll$326.40$293.76$277.44$261.12Add to Cart
Size: 3M 420 1.89" x 36yd
Part #: 3M 420 1.89" x 36yd
Package Qty: 1
Roll$329.02$296.12$279.67$263.22Add to Cart
Size: 3M 420 2.25" x 36yd
Part #: 3M 420 2.25" x 36yd
Package Qty: 1
Roll$391.69$352.52$332.94$313.35Add to Cart
Size: 3M 420 2.75" x 36yd
Part #: 3M 420 2.75" x 36yd
Package Qty: 1
Roll$478.73$430.86$406.92$382.98Add to Cart
Size: 3M 420 2.83" x 36yd
Part #: 3M 420 2.83" x 36yd
Package Qty: 1
Roll$492.65$443.39$418.75$394.12Add to Cart
Size: 3M 420 3.78" x 36yd
Part #: 3M 420 3.78" x 36yd
Package Qty: 1
Roll$658.03$592.23$559.33$526.42Add to Cart
Size: 3M 420 4.72" x 36yd
Part #: 3M 420 4.72" x 36yd
Package Qty: 1
Roll$821.67$739.50$698.42$657.34Add to Cart
Size: 5-5-420
Part #: 5-5-420
Package Qty: 1
Roll$164.07$147.66$139.46$131.26Add to Cart
Size: 3M 420 5.67" x 36yd
Part #: 3M 420 5.67" x 36yd
Package Qty: 1
Roll$987.05$888.35$838.99$789.64Add to Cart
Size: 3M 420 7" x 36yd
Part #: 3M 420 7" x 36yd
Package Qty: 1
Roll$1218.58$1096.72$1035.79$974.86Add to Cart
Size: 7-5-420
Part #: 7-5-420
Package Qty: 1
Roll$229.69$206.72$195.24$183.75Add to Cart
Size: 3M 420 8" x 36yd
Part #: 3M 420 8" x 36yd
Package Qty: 1
Roll$1392.66$1253.39$1183.76$1114.13Add to Cart
Size: 8-5-420
Part #: 8-5-420
Package Qty: 1
Roll$262.51$236.26$223.13$210.01Add to Cart
Size: 3M 420 9" x 36yd
Part #: 3M 420 9" x 36yd
Package Qty: 1
Roll$1566.74$1410.07$1331.73$1253.39Add to Cart
Size: 9-5-420
Part #: 9-5-420
Package Qty: 1
Roll$295.32$265.79$251.02$236.26Add to Cart
Size: 3M 420 10" x 36yd
Part #: 3M 420 10" x 36yd
Package Qty: 1
Roll$1740.83$1566.75$1479.71$1392.66Add to Cart
Size: 10-5-420
Part #: 10-5-420
Package Qty: 1
Roll$328.13$295.32$278.91$262.50Add to Cart
Size: 3M 420 11" x 36yd
Part #: 3M 420 11" x 36yd
Package Qty: 1
Roll$1914.91$1723.42$1627.67$1531.93Add to Cart
Size: 0.5 in x 5 yd
Part #: 1/2-5-420
RollNA$23.31$22.02$20.72Add to Cart
Size: 0.75 in x 5 yd
Part #: 3/4-5-420
RollNA$25.65$24.23$22.80Add to Cart
Size: 1 in x 5 yd
Part #: 1-5-420
RollNA$34.19$32.29$30.39Add to Cart
Size: 2 in x 5 yd
Part #: 2-5-420
RollNA$59.07$55.79$52.50Add to Cart
Size: 3 in x 5 yd
Part #: 3-5-420
RollNA$88.60$83.67$78.75Add to Cart
Size: 4 in x 5 yd
Part #: 4-5-420
Roll$131.25$118.13$111.56$105.00Add to Cart
Size: 6 in x 5 yd
Part #: 6-5-420
Roll$196.88$177.19$167.35$157.50Add to Cart
Size: 12 in x 5 yd
Part #: 12-5-420
Roll$393.76$354.38$334.70$315.01Add to Cart
Tape Structure (Backing/Adhesive)Lead foil/Rubber (green)
Backing Thickness mils (mm)4.7 mil (0.12 mm)
Total Thickness mils (mm)6.8 mil (0.17 mm)
Adhesion to Steel oz/in (N/100 mm)45 oz/in (49 N/100 mm)
Tensile Strength lbs/in (N/100 mm)20 lb/in (350 N/100 mm)
Elongation at Break %12%
Temperature Range °F (°C)-60° to 225°F (-54° to 106°C)
Restocking fee60% restocking fee
Comments-
Tape Adhesive-