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Urethane Potting Compounds
Encase electronic assemblies in a layer of urethane for protection from dust, moisture, chemicals, mechanical shock, and vibration. Urethanes withstand a wide range of temperatures and are the best choice for cold-temperature applications. They have excellent flexibility, good chemical and moisture resistance, and provide good electrical insulation.
Cartridge potting compounds can be applied precisely through the included mixer nozzle. You’ll need a dispensing gun (sold separately). US2350™ also require a 4:1 plunger (sold separately) to dispense.
Bottle potting compounds are easier to apply in high volumes than cartridge potting compounds. Mix the compounds together and pour them over components inside potting boxes and other containers. If mixing introduces any air bubbles, put the mixture in a vacuum chamber.
Compounds that cannot be sold to the listed areas are restricted by product labeling requirements.
Dry Time | |||||||||||
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Mfr. Model No. | 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 | |
Loctite® Compounds—Medium Hard | |||||||||||
US2350 | 1.69 | Thick Liquid | 90 | 24 | 950 | 0.51 | -40° to 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Ceramic, Glass, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, Polyimide Plastic, Garolite | Black | 0000000 | 000000 |
Loctite® Compounds—Soft | |||||||||||
US2651 | 6.76 | Thin Liquid | 10 | 16 | 1,050 | Not Rated | -85° to 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Ceramic, Glass, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, Polyimide Plastic, Garolite | Amber | 0000000 | 00000 |
Dry Time | |||||||||||
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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 | Cannot Be Sold To | Each | |
Extra Hard | |||||||||||
12.6 | Thin Liquid | 45 | 24 | 400 | 0.3 | -55° to 245° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Ceramic, Glass, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, Polyimide Plastic, Garolite | Black | Canada | 00000000 | 000000 |
Light-Activated Urethane Potting Compounds
In just 20 seconds under a UV light, these urethane compounds form into a strong protective layer on electrical components. They withstand a wide range of temperatures and are good electrical insulators. They also stop chemicals, moisture, and dust from damaging your device. With excellent flexibility, they protect against vibration and impact. Since they also work as an adhesive, you can use them to bond and insulate components such as electrical connectors and thermal switches. No mixing required.
Dry Time | |||||||||||||
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Container Size, fl. oz. | Consistency | Touch, sec. | Overall, sec. | Light Intensity Requirements to Reach Full Strength | Cure Type | Hardness Rating | Dielectric Strength, V/mil | Thermal Conductivity | Temp. Range, °F | For Use On | Color | Each | |
1.69 | Thin Liquid | 20 | 20 | 20 sec. @ 100 mW/cm2 | UV Light | Extra Hard | 1,800 | Not Rated | -40° to 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Polycarbonate Plastic, ABS Plastic, PVC Plastic, Polyimide Plastic, Garolite, Ceramic, Glass, Plastic | Clear | 0000000 | 000000 |
Urethane Potting Compounds for Harsh Environments
From shore to sea floor, these potting compounds are formulated for permanent submersion in water—even salt water. Use them to protect circuits and splices in pumps, underwater lighting, and other underwater electronics from corrosion and chemicals. Made of urethane, they withstand a wide range of temperatures, especially cold underwater conditions. They provide good electrical insulation and have excellent flexibility. Since they’re more flexible than epoxy compounds, they’re often used to protect against vibration and impact.
Mix the two parts of these compounds together and pour them over components inside a potting box or other container. If mixing causes air bubbles, put the mixture in a vacuum chamber to remove them.
Dry Time | ||||||||||||
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Container Size, fl. oz. | Consistency | Touch, min. | Overall, hrs. | Hardness Rating | Dielectric Strength, V/mil | Thermal Conductivity, W/m-K | Temp. Range, °F | For Use On | Color | Cannot Be Sold To | Each | |
12.6 | Thin Liquid | 10 | 24 | Hard | 370 | 0.3 | -55° to 245° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Ceramic, Glass, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, Polyimide Plastic, Garolite | Black | Canada | 0000000 | 000000 |