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About Structural Adhesives
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Heat-Transfer Potting Compounds
Formulated to draw heat away from sensitive electronic components, these potting compounds have higher thermal conductivity than standard potting compounds. Use them to encase electronic assemblies for protection from dust, chemicals, moisture, mechanical shock, and vibration. Rigid and wear resistant, epoxies are the strongest of the potting compounds. They have excellent chemical and moisture resistance, withstand a wide range of temperatures, and provide excellent electrical insulation.
Cartridge potting compound requires a gun and mixer nozzle (each sold separately) to dispense.
Dry Time | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Container Size, gal. | Consistency | Touch, min. | Overall, hrs. | Dielectric Strength, V/mil | Thermal Conductivity, W/m-K | Max. Temp., °F | For Use On | Color | Each | |
| 1 | Thick Liquid | 25 | 24 | 450 | 1.87 | 500° | Steel, Ceramic, Glass | Black | 0000000 | 0000000 |
Dry Time | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Container Size, fl. oz. | Consistency | Touch, min. | Overall, hrs. | Dielectric Strength, V/mil | Thermal Conductivity, W/m-K | Temp. Range, °F | For Use On | Color | Each | |
| 1.7 | Thick Liquid | 15 | 8 | 520 | 1.01 | -40° to 210° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Silver, Titanium, Plastic, Composites, Fiberglass | Black | 0000000 | 000000 |
Two-Part Adhesive Dispensing Guns | |||
|---|---|---|---|
| Dispensing Gun for 1.7 fl. oz. Cartridges | 00000000 | Each | 000000 |
Mixer Nozzles for Two-Part Adhesive Cartridges | |||
|---|---|---|---|
| Mixer Nozzle for 1.7 fl. oz. Cartridges | 00000000 | Each | 00000 |
Dry Time | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Container Size, fl. oz. | Consistency | Touch | Overall, hrs. | Mix Ratio | Tensile Strength, psi  | Dielectric Strength, V/mil | Thermal Conductivity, W/m-K | Max. Temp., °F | Heating Requirements to Reach Full Strength | For Use On | Color | Each | |
| 19 | Thick Liquid | 25 min. | 24 | 12:1 | 10,900 | 450 | 1.87 | 500° | __ | Steel, Ceramic, Glass | Black | 0000000 | 0000000 |
| 20 | Gel | 4 hrs. | 6 | 4:1 | 11,000 | Not Rated | 1.87 | 600° | 4 hrs. @ 250° F then 2 hrs. @ 350° F | Steel, Ceramic, Glass | Black | 0000000 | 000000 |
Epoxy Potting Compounds
Encase electronic assemblies in a layer of epoxy for protection from dust, chemicals, moisture, mechanical shock, and vibration. The strongest of the potting compounds, epoxies are rigid and wear resistant. They have excellent chemical and moisture resistance, withstand a wide range of temperatures, and provide excellent electrical insulation. All require a mixer nozzle and gun to dispense.
Loctite® 3336™, ES1001™, ES1902™, and ES2500™ come with a mixer nozzle.
Dry Time | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Container Size, fl. oz. | Consistency | Touch | Overall | Dielectric Strength, V/mil | Thermal Conductivity, W/m-K | Temp. Range, °F | Specifications Met | For Use On | Choose a Color | Each | |
3M Compounds—Extra Hard | ||||||||||||
| DP270 | 1.64 | Thick Liquid | 3 hrs. | 48 hrs. | 850 | 0.18 | -65° to 210° | UL 94 HB | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Rubber, Glass | 00000000 | 000000 | |
| DP270 | 6.8 | Thick Liquid | 3 hrs. | 48 hrs. | 850 | 0.18 | -65° to 210° | UL 94 HB | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Rubber, Glass | Clear | 00000000 | 00000 |
| DP270 | 13.5 | Thick Liquid | 3 hrs. | 48 hrs. | 850 | 0.18 | -65° to 210° | UL 94 HB | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Rubber, Glass | Black | 00000000 | 000000 |
Loctite® Compounds—Extra Hard | ||||||||||||
| ES1001 | 1.7 | Thick Liquid | 60 min. | 24 hrs. | 1,100 | 0.29 | -10° to 220° | __ | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Ceramic, Glass | Black | 0000000 | 00000 |
| ES2500 | 1.7 | Thin Liquid | 10 min. | 16 hrs. | 410 | 0.28 | -40° to 220° | UL 94 HB | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Plastic, Ceramic, Glass | Black | 0000000 | 00000 |
| Mixer Nozzle for 6.8 fl. oz. 3M Cartridges | 0000000 | Each | 00000 |
| Dispensing Gun for 6.8 fl. oz. 3M Cartridges | 0000000 | Each | 000000 |
| Dispensing Gun for 1.64 fl. oz. and 1.69 fl. oz. 3M Cartridges | 0000000 | Each | 000000 |
| Mixer Nozzle for 1.64 fl. oz. and 1.69 fl. oz. 3M Cartridges (Mixing Elements: 16) | 0000000 | Each | 0000 |
| Mixer Nozzle for 13.5 fl. oz. 3M Cartridges | 00000000 | Each | 0000 |
| Dispensing Gun for 13.5 fl. oz. 3M Cartridges | 00000000 | Each | 000000 |
| Mixer Nozzle for 1.64 fl. oz. 3M Cartridges | 0000000 | Each | 0000 |
| Dispensing Gun for 1.7 fl. oz. Loctite Cartridges | 00000000 | Each | 00000 |
Conductive Surface Fillers for Electronics
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. Product regulations restrict sales to the listed jurisdictions/areas.
Surface fillers in one-time-use packets and jars come as two parts. The size listed is the combined total of the two parts.
Surface filler in a pen dispenses as a thin, ready-to-use liquid that fills in pitting and small gaps. It’s often used on circuit boards to fix components or to prototype new systems.
Volume resistivity and surface resistivity measure how well a material opposes the flow of electricity. The lower the rating, the more electricity it conducts.
Thermal conductivity measures a material’s ability to transfer heat. The higher the rating, the more heat it transfers.
Container | Temp. Range, °F | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Size, fl. oz. | Net Weight, oz. | Type | Begins to Harden | Reaches Full Strength | Thermal Conductivity, W/m-K | Volume Resistivity, ohms-cm | Surface Resistivity, ohms/sq. | Mix Ratio | Min. | Max. | For Use On | Cannot Be Sold To | Each | |
Loctite® Surface Fillers | |||||||||||||||
| 3888 | __ | 0.09 | One-Time-Use Packet | 90 min. | 24 hrs. | 1.44 | 0.001 | __ | 100:6 | -40° | 170° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Polycarbonate Plastic | __ | 0000000 | 000000 |
Surface Fillers | |||||||||||||||
| __ | __ | 0.09 | One-Time-Use Packet | 90 min. | 24 hrs. | 6.05 | 0.009 | __ | 100:6 | -75° | 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Ceramic, Glass | __ | 0000000 | 00000 |
| __ | __ | 0.35 | One-Time-Use Packet | 90 min. | 24 hrs. | 6.05 | 0.009 | __ | 100:6 | -75° | 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Ceramic, Glass | __ | 0000000 | 000000 |
| __ | 0.2 | __ | Pen | 3 min. | 60 min. | Not Rated | __ | 0.050 | __ | -65° | 300° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium | Outside United States and Canada | 0000000 | 00000 |
| __ | 0.5 | __ | Jar | 4 hrs. | 5 days | 5.77 | 0.0004 | __ | 1:1 | Not Rated | 300° | Aluminum, Brass, Copper, Steel, Stainless Steel | __ | 0000000 | 000000 |
| __ | 1 | __ | Jar | 4 hrs. | 5 days | 5.77 | 0.0004 | __ | 1:1 | Not Rated | 300° | Aluminum, Brass, Copper, Steel, Stainless Steel | __ | 0000000 | 000000 |
Conductive Adhesives for Electronics
An alternative to solder, these flexible, silver-filled adhesives accommodate joint movement. Use them to bond electrical components and repair circuits.
Epoxy adhesives are two-part adhesives that need to be mixed together. The size listed is the combined total of the two parts.
Container | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size, fl. oz. | Net Weight, oz. | Begins to Harden | Reaches Full Strength | Thermal Conductivity, W/m-K | Surface Resistivity, ohms-cm | Mix Ratio | Consistency | Temp. Range, °F | For Joining | Each | |
One-Time-Use Packet | |||||||||||
| __ | 0.09 | 3 hrs. | 24 hrs. | 1.55 | 0.05 | 1:1.15 | Paste | -75° to 230° | Ceramic, Glass, Metal | 0000000 | 000000 |
Can | |||||||||||
| 0.5 | __ | 4 hrs. | 5 days | 7.93 | 0.0004 | 1:1 | Paste | 80° to 265° | Metal | 0000000 | 000000 |
| 1 | __ | 4 hrs. | 5 days | 7.93 | 0.0004 | 1:1 | Paste | 80° to 265° | Metal | 0000000 | 000000 |
Mixer Nozzles for Two-Part Adhesive Cartridges
To simultaneously mix and dispense two-part adhesives, attach these mixer nozzles to a dual cartridge. Mixing elements help combine the two parts of an adhesive as it flows through the nozzle. A short nozzle with many mixing elements combines adhesive while minimizing the adhesive left in the nozzle after dispensing. Choose a nozzle that matches the connection type, size, and mix ratio of your adhesive cartridge.
A taper tip has a small opening for controlled dispensing.
A step tip allows you to trim the opening to the diameter you need.
Each | |||||||
|---|---|---|---|---|---|---|---|
| For Cartridge Size, oz. | Mix Ratio | Opening ID | Lg. | Mixing Elements | Material | Each | |
Taper Tip | |||||||
| 1.42, 1.69 | 1:1, 2:1, 4:1, 10:1 | 0.07" | 5.9" | 20 | Polypropylene Plastic | 00000000 | 00000 |