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Top rated electrically conductive adhesives

AI-generated summary · updated July 27, 2026 · verify details before purchase.

  1. Best overall

    MG Chemicals 8331-20G Silver Conductive Epoxy

    4.6/5 $25-$35

    High-performance silver-filled epoxy with excellent electrical conductivity and strong adhesion, ideal for electronics repairs.

    • Excellent conductivity
    • Strong bond strength
    • Easy to mix and apply
    • Short working time
    • Expensive
  2. Best for precision

    CircuitWriter CW2100 Silver Conductive Pen

    4.4/5 $15-$25

    Conductive silver pen for fine trace repair and circuit board touch-ups, dries quickly.

    • Precise application
    • Fast drying
    • Good conductivity
    • Limited quantity
    • Not for large areas
  3. Best budget pick

    ELECFUN Conductive Silver Glue Pen

    4.2/5 $8-$12

    Affordable silver conductive adhesive pen for small electronic repairs, decent conductivity for the price.

    • Very affordable
    • Easy to use
    • Good for small jobs
    • Lower conductivity
    • Dries quickly
  4. Best for EMI shielding

    MG Chemicals 847-20G Nickel Conductive Paint

    4.3/5 $20-$30

    Nickel-filled conductive paint for EMI/RFI shielding and grounding, easy to apply with brush or spray.

    • Good shielding effectiveness
    • Easy application
    • Dries quickly
    • Not for high current
    • Requires multiple coats
  5. Best for industrial use

    LOCTITE 3888 Electrically Conductive Adhesive

    4.5/5 $30-$50

    One-part silver-filled epoxy with high conductivity and temperature resistance, suitable for production environments.

    • High temperature tolerance
    • Excellent conductivity
    • One-part formula
    • Requires heat cure
    • Expensive
  6. Chemtronics CW7100 CircuitWorks Conductive Epoxy

    4.2/5 $15-$25

    Silver-filled epoxy for trace repair and component bonding, high conductivity and good adhesion.

    • Good conductivity
    • Strong bond
    • Simple mixing
    • Short shelf life
    • Needs precise mix
  7. Best for flexible bonds

    Dowsil SE 4486 Conductive Silicone Adhesive

    $40-$60

    Silicone-based conductive adhesive with flexibility and high temperature resistance, suitable for bonding dissimilar materials.

    • Flexible bond
    • High temp resistance
    • Good conductivity
    • Long cure time
    • Expensive

Buying advice

When choosing a conductive adhesive, consider the required conductivity level (silver-filled typically offers highest conductivity), application method (pen, syringe, or paste), and curing conditions. For small repairs on circuit boards, a conductive pen is convenient, while epoxy-based adhesives provide stronger bonds for structural applications. Always check compatibility with your substrate materials.

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