Potting Compounds For PVC Plastic

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1,000 psi to 1,999 psi

3,000 psi to 9,999 psi

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10,000 cP to 99,999 cP

100,000 cP or greater

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EAR99

DFARS Specialty Metals

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24 Products

About Structural Adhesives

About Paint and Protective Coatings

Epoxy Potting Compounds for Harsh Environments

Tough enough to be permanently submersed in seawater, these compounds protect sensitive electronics, such as circuit boards, semiconductors, and sensors in harsh environments. They resist moisture, salt, and chemicals, so you can use them in corrosive oil, marine, and mining applications. These compounds can also be used within autoclaves. Because they are epoxies, they are rigid, resist wear, and create excellent electrical insulation. They withstand a wide range of temperatures, and this formulation won’t crack or split as components heat up and cool down.

They come in a cartridge, so you can apply them precisely. To dispense, they require a mixer nozzle and gun (both sold separately).

Potting Compounds

		Dry Time
Container Size, fl. oz.	Consistency	Touch, hrs.	Overall, hrs.	Hardness Rating	Dielectric Strength, V/mil	Temp. Range, °F	Environment	For Use On	Autoclavable		Each
1.69	Thick Liquid	12	24	Extra Hard	500	-50° to 350°	Corrosive, Salt Spray, Submersible	Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium, Polystyrene Plastic, Polycarbonate Plastic, Polyurethane Rubber, ABS Plastic, PVC Plastic, CPVC Plastic, PVDF Plastic, Polyimide Plastic, HDPE Plastic, Nylon Plastic, PEEK Plastic, Polyethylene Plastic, UHMW Plastic, Polypropylene Plastic, Glass	Yes	0000000	000000

Dispensing Guns

For Cartridge Size		Each
1.69 fl. oz.	00000000	000000

Mixer Nozzles

For Cartridge Size		Each
1.69 fl. oz.	00000000	00000

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.

Cartridge Compounds

			Dry Time
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

Dispensing Gun for 1.69 fl. oz. Cartridges	00000000	Each	000000
4:1 Plunger for 1.69 fl. oz. Cartridges	00000000	Each	0000
Dispensing Gun for 6.76 fl. oz. Cartridges	0000000	Each	000000

Bottle Compounds

		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	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

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
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

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
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

Insulating Adhesives for Electronics

Secure hardware on circuit boards while insulating current.

Cyanoacrylate adhesives dry more quickly than epoxy adhesives. They’re also known as super glue. Use them to secure coils of wire. To create adhesion, they require an accelerator (included with some adhesives).

Epoxy adhesives are two-part adhesives that need to be mixed. The size listed is the combined total of the two parts. Loctite® 2151 resist salts, mild acids, and oils. They can also handle sudden impacts and shocks.Adhesives that meet ASTM E595, a standard used by NASA, release almost no volatile emissions that could damage sensitive electronics, even in a vacuum.

Cyanoacrylate

	Container
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Thermal Conductivity, W/m-K	Consistency	Temp. Range, °F	Color	Clarity	Specifications Met	For Joining		Each
Loctite® Adhesives
382	0.7	Bottle	30 sec.	24 hrs.	0.1	Thick Liquid	-65° to 210°	Clear	Clear	__	Metal, Plastic, Rubber	00000000	000000
444	0.7	Bottle	30 sec.	24 hrs.	0.1	Thin Liquid	-65° to 180°	Clear	Clear	Commercial Standard A-A-3097	Metal, Plastic, Rubber	0000000	00000
Loctite® Adhesives with Accelerator
382	0.7	Bottle	30 sec.	24 hrs.	0.1	Thick Liquid	-65° to 210°	Clear	Clear	__	Metal, Plastic, Rubber	00000000	00000
444	0.7	Bottle	30 sec.	24 hrs.	0.1	Thin Liquid	-65° to 180°	Clear	Clear	Commercial Standard A-A-3097	Metal, Plastic, Rubber	0000000	00000

Epoxy

One-Time-Use Packet

	Container
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Thermal Conductivity, W/m-K	Mix Ratio	Consistency	Max. Temp., °F	Color	Clarity	Specifications Met	For Joining		Each
Loctite® Adhesives
2151	0.1	One-Time-Use Packet	45 min.	4 hrs.	0.95	100:9.5	Paste	235°	Blue	Opaque	ASTM E595	Metal, Plastic	000000000	000000
2151	0.4	One-Time-Use Packet	45 min.	4 hrs.	0.95	100:9.5	Paste	235°	Blue	Opaque	ASTM E595	Metal, Plastic	000000000	00000

Optically Clear Epoxy Structural Adhesives

For invisible bond lines, these adhesives dry clear. Epoxies are the strongest and most weather- and chemical-resistant structural adhesives. Choose an epoxy that hardens quickly for fast repairs, or one that hardens slowly to allow more time for positioning.

These have two parts that must be mixed. The size listed is the combined total of the two parts. Use cartridges with a dispensing gun and mixer nozzle to simultaneously mix and dispense adhesives.

0151 and E-30CL are suitable for fiber-optic applications.

Loctite® Adhesives

	Container				Strength
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Shear, lbs./sq. in.	Peel, lbs./in. wd.	Mix Ratio	Consistency (Viscosity)	Temp. Range, °F	For Joining		Each
E-30CL	1.69	Cartridge	30 min.	24 hrs.	3,100	Not Rated	2:1	Thick Liquid (10,000 cP)	-65 to 250° F	Metal, Plastic, Ceramic, Glass	0000000	000000
E-30CL	6.76	Cartridge	30 min.	24 hrs.	3,100	Not Rated	2:1	Thick Liquid (10,000 cP)	-65 to 250° F	Metal, Plastic, Ceramic, Glass	0000000	00000
M-31CL	1.69	Cartridge	30 min.	24 hrs.	3,100	Not Rated	2:1	Thick Liquid (6,000 cP)	-65 to 300° F	Metal, Plastic, Rubber, Glass	0000000	00000

Mixer Nozzles, Plungers, and Dispensing Guns

		Each
Mixer Nozzle for 1.69 fl. oz. Loctite® Cartridges	00000000	00000
Mixer Nozzle for 6.76 fl. oz. Loctite® Cartridges	0000000	0000
Dispensing Gun for 1.69 fl. oz Loctite® Cartridges	00000000	00000
Dispensing Gun for 6.76 fl. oz. Loctite® Cartridges	0000000	000000
Air-Powered Dispensing Gun for 1.69 fl. oz. Loctite® Cartridges	000000000	000000

Urethane Structural Adhesives

Urethane adhesives are the most flexible, so they bond dissimilar materials and damp vibration.

The size listed is the combined total of the two parts. Use 1.64 fl. oz. and 1.69 fl. oz. cartridges with a dispensing gun and mixer nozzle to simultaneously mix and dispense adhesives. U-05FL and U-09FL won't yellow.

Loctite® Adhesives

	Container				Strength
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Shear, lbs./sq. in.	Peel	Mix Ratio	Consistency (Viscosity)	Temp. Range, °F	Color	For Joining		Each
UK U-05FL	1.69	Cartridge	5 min.	24 hrs.	930	Not Rated	1:2	Paste (100,000 cP)	-65° to 250°	Off-White	Metal, Metal to Plastic, Metal to Glass, Plastic, Plastic to Glass, Glass, Wood, Wood to Glass	0000000	000000

Mixer Nozzles, Plungers, and Dispensing Guns

		Each
Mixer Nozzle for 1.69 fl. oz. Loctite® and 7150A/B Lord Cartridges	00000000	00000
Dispensing Gun for 1.69 fl. oz. Cartridges	00000000	00000
Air-Powered Dispensing Gun for 1.69 fl. oz. Loctite® Cartridges	000000000	000000

Light-Activated Instant-Bond Adhesives

For easy positioning, these adhesives begin to harden only when exposed to light.

Thick liquids fill large gaps and won't drip on vertical surfaces.

Use adhesives in syringes with a dispensing gun with plunger (sold separately).

	Container
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Light Intensity Requirements to Reach Full Strength	Cure Type	Consistency (Viscosity)	Temp. Range, °F	Color	For Joining		Each
Loctite® Adhesives
3556	0.84	Syringe	5 sec.	1 hrs.	5 sec. @ 500 mW/cm²	Visible Light	Thick Liquid (5,000 cP)	-65° to 300°	Light Yellow	Metal, Plastic	0000000	0000000

Dispensing Gun with Plunger for Syringes

0000000

Each

000000