Embossed RFI & EMI Copper Shielding Tape 4.0 MIL EMI

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This product has been discontinued and is not available for purchase. Please click on the button below for replacement and/or substitute products.

1643551">Substitute Products

  • Jameco Part no.: 1643551
  • Manufacturer: 3M
  • Manufacturer no.: 1245-1/2"X18YD
  • HTS code: 8536300000
  • Web Exclusive
# of units Price
1+ $39.95
10+ $35.95
25+ $30.95

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3M 1245 Tape Embossed Copper Foil

3M™ 1245 Tape consists of an embossed 1-ounce deadsoft copper foil backing and an aggressive pressure-sensitive acrylic adhesive. The edges of the embossed pattern pressed into the foil cut through the adhesive layer to establish reliable metal-to-metal contact between the backing and the application substrate.


  • Embossed deadsoft 1-ounce copper foil backing
  • Conductivity "through the adhesive"
  • Supplied on a removable liner for easy handling and die cutting
  • Solderable copper foil backing
  • Resists oxidation and discoloration
  • Backing thickness: 1.4 mil
  • Total thickness (backing plus adhesive): 4.0 mil (0.1 mm)
  • Breaking strength: 25 lb./in
  • Adhesion to steel: 35 oz./in
  • Electrical resistance through adhesive: 0.001 Ω
  • Passes flame retardancy test
  • Width of tape: 1/2 inch
  • Total length: 18 yards (54 feet)


  • Grounding
  • Electromagnetic interference (EMI) shielding
  • Equipment
  • Components
  • Shielded rooms

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Specification Value
Size0.5"W x 54 feet

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