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Conductive Adhesives for Electronics
Epoxy
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Single-Use Packet | Can |
Epoxy adhesives are two-part adhesives that need to be mixed together. The size listed is the combined total of the two parts.
ASTM E595—Adhesives that meet ASTM E595, a standard used by NASA, produce almost no volatile emissions that could damage sensitive electronics, even in a vacuum.
Container | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Net Wt., oz. | Type | Surface Resistivity | Begins to Harden | Reaches Full Strength | Thermal Conductivity, W/(m⋅°C) | Mix Ratio | Consistency | Max. Temp., ° F | Specs. Met | For Joining | Each | |||
Loctite® | ||||||||||||||||
| 2902 | — | 0.09 | Single-Use Packet | 1× 10^-3Ω⋅cm | 60 min. | 24 hr. | 2.99 | 100:6 | Paste | 230 | ASTM E595 | Ceramic, Glass, Metal | 7595A113 | 000000 | ||
| 2902 | — | 0.35 | Single-Use Packet | 1× 10^-3Ω⋅cm | 60 min. | 24 hr. | 2.99 | 100:6 | Paste | 230 | ASTM E595 | Ceramic, Glass, Metal | 7595A114 | 000000 | ||
Other Conductive Adhesives | ||||||||||||||||
| — | — | 0.09 | Single-Use Packet | 5× 10^-2Ω⋅cm | 3 hr. | 24 hr. | 1.55 | 1:1.15 | Paste | 230 | — | Ceramic, Glass, Metal | 7661A13 | 00000 | ||
| — | 0.5 | — | Can | 4× 10^-4Ω⋅cm | 4 hr. | 5 day | 7.93 | 1:1 | Paste | 265 | — | Metal | 7595A33 | 000000 | ||
| — | 0.5 | — | Can | 9× 10^-5Ω⋅cm | 4 hr. | 5 day | 7.9 | 1:1 | Paste | 175 | ASTM E595 | Ceramic, Glass, Metal | 7595A111 | 000000 | ||
| — | 1 | — | Can | 4× 10^-4Ω⋅cm | 4 hr. | 5 day | 7.93 | 1:1 | Paste | 265 | — | Metal | 7595A34 | 000000 | ||
| — | 1 | — | Can | 9× 10^-5Ω⋅cm | 4 hr. | 5 day | 7.9 | 1:1 | Paste | 175 | ASTM E595 | Ceramic, Glass, Metal | 7595A112 | 000000 | ||
Plastic
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Strip with Adhesive on One Side |
Plastic adhesives are one-part adhesives that don’t need to be mixed. Dry to the touch and faster and easier to apply than two-part adhesives, they’re best for use on automated assembly lines. Often used to join solar cells in solar panels, these adhesives make instant electrical connections without flux at lower temperatures than soldering. Since they attach to solar cells with heat and slight pressure, they limit stress cracks that can form when soldering. These adhesives can also be used as a bridge between multiple solar panels.
Lg. | Wd. | Thk. | Melting Temp., ° F | Max. Temp., ° F | Surface Resistivity | Begins to Harden, sec. | Reaches Full Strength, sec. | Thermal Conductivity, W/(m⋅°C) | Consistency | For Joining | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Strip with Adhesive on One Side | ||||||||||||||
| 12" | 1/16" | 0.002" | 250 | 300 | 1× 10^-4Ω⋅cm | 5 | 5 | 12 | Film | Metal | 7661A111 | 00000 | ||
Conductive Surface Filler Pens for Electronics
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Acrylic Plastic |
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Epoxy |
Dispense ready-to-use conductive liquid to fill pits and small gaps on circuit board components. These pens are also used to sketch and repair conductive pathways.
Carbon Filled—Carbon acrylic plastic pens should be used where only a small amount of conductivity is needed, such as circuit boards in keyboards. Their high surface resistivity only allows a small current to pass.
Nickel Filled—Nickel acrylic plastic pens are best for general purpose repairs, such as bridges and traces in printed circuit boards. They have a medium surface resistivity, so they're a good balance between carbon acrylic and silver epoxy pens.
Silver Filled—Silver epoxy pens are the most versatile—use them for any type of repair as well as for repairs that require excellent conductivity, such as connecting through holes on circuit boards without adding jumpers, wiring, or solder. Since they have the lowest surface resistivity, they allow the most current to pass.
Cannot Be Sold To—Product labeling requirements restrict sales to the listed areas.
Container | Tip | Temp. Range, ° F | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Size, fl. oz. | Type | Dia. | Shape | Begins to Harden, min. | Reaches Full Strength | Surface Resistivity, ohm/sq. | Consistency | Mixing Req. | Thermal Conductivity | Max. Thk. | For Use Outdoors | Min. | Max. | Color | For Use On | Cannot Be Sold To | Each | |||
Carbon Acrylic Plastic | ||||||||||||||||||||
| 0.2 | Pen | 0.06" | Point | 2 | 24 hr. | 100 | Thin Liquid | No | Not Rated | 0.003" | Yes | -40 | 245 | Black | Plastic | Canada | 7502N11 | 000000 | ||
Nickel Acrylic Plastic | ||||||||||||||||||||
| 0.2 | Pen | 0.06" | Point | 2 | 24 hr. | 0.49 | Thin Liquid | No | Not Rated | 0.004" | Yes | -40 | 245 | Gray | Plastic | Canada | 7502N12 | 00000 | ||
Silver Epoxy | ||||||||||||||||||||
| 0.2 | Pen | 0.03" | Point | 3 | 60 min. | 0.050 | Thin Liquid | No | Not Rated | Not Rated | No | -65 | 300 | Silver | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium | Outside United States and Canada | 7365A44 | 00000 | ||
Conductive Surface Fillers for Electronics
 |  |
Epoxy Jar | Single-Use Packet |
A high silver content allows these surface fillers to conduct electricity and heat. Use them to fill gaps and rebuild missing material on electrical connections or to assemble new components. They come as two parts. The size listed is the combined total of the two parts.
Thermal Conductivity—Thermal conductivity measures a material’s ability to transfer heat. The higher the rating, the more heat it transfers.
Electrical Volume Resistivity—Electrical volume resistivity measures how well a material opposes the flow of electricity. The lower the rating, the more electricity it conducts.
Container | Temp. Range | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Net Wt., oz. | Type | Begins to Harden | Reaches Full Strength | Consistency | Mixing Req. | Thermal Conductivity, W/(m⋅°C) | Electrical Volume Resistivity | Mix Ratio | Max. Thk. | For Use Outdoors | Min. | Max., ° F | Color | For Use On | Each | |||
Loctite® Surface Fillers | ||||||||||||||||||||
| 3888 | — | 0.09 | Single-Use Packet | 90 min. | 24 hr. | Paste | Yes | 1.44 | 0.001Ω⋅cm | 100:6 | 1/4" | Yes | -40° F | 170 | Silver | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Polycarbonate | 7366A55 | 000000 | ||
Surface Fillers | ||||||||||||||||||||
| — | — | 0.09 | Single-Use Packet | 90 min. | 24 hr. | Paste | Yes | 6.05 | 0.009Ω⋅cm | 100:6 | 1/4" | Yes | -75° F | 250 | Silver | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Ceramic, Glass | 7661A11 | 00000 | ||
| — | — | 0.35 | Single-Use Packet | 90 min. | 24 hr. | Paste | Yes | 6.05 | 0.009Ω⋅cm | 100:6 | 1/4" | Yes | -75° F | 250 | Silver | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Ceramic, Glass | 7661A12 | 000000 | ||
| — | 0.5 | — | Jar | 4 hr. | 5 day | Paste | Yes | 5.77 | 0.0004Ω⋅cm | 1:1 | Not Rated | No | Not Rated | 300 | Silver | Aluminum, Brass, Copper, Steel, Stainless Steel | 7595A31 | 000000 | ||
| — | 1 | — | Jar | 4 hr. | 5 day | Paste | Yes | 5.77 | 0.0004Ω⋅cm | 1:1 | Not Rated | No | Not Rated | 300 | Silver | Aluminum, Brass, Copper, Steel, Stainless Steel | 7595A32 | 000000 | ||
Heat-Transfer Epoxy Potting Compounds
Cartridge Potting Compounds—Extra Hard
 |
Cartridge potting compounds require a gun and mixer nozzle (each sold separately) to dispense.
Dry Time | Temp., ° F | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Container Size, fl. oz. | Consistency | Touch, min. | Overall, hr. | Dielectric Strength, V/mil | Thermal Conductivity, W/(m⋅°C) | Min. | Max. | For Use On | Color | Each | ||
| 1.7 | Thick Liquid | 15 | 8 | 520 | 1.01 | -40 | 210 | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Silver, Titanium, Plastic, Composite, Fiberglass | Black | 7548A11 | 000000 | |
