Loctite® Underwater Epoxy Adhesives

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100,000 cP to 199,999 cP

200,000 cP to 299,999 cP

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23 Products

About Structural Adhesives

About Paint and Protective Coatings

Waterproof Epoxy Structural Adhesives

Even when used under water, these adhesives maintain their strength. The most weather- and chemical-resistant structural adhesives, epoxies tend to work especially well on metals.

The size listed is the combined total of the two parts. For putty adhesives, slice off the required amount, then knead it together to form a moldable adhesive.

ClearWeld and Plastic Bonder can be applied to wet surfaces.

WaterWeld and 11801, as well as one-time-use packets, can be applied to wet surfaces or under water.

J-B Weld Adhesives

Mfr. Model		Container					Strength
Name	No.	Size, fl. oz.	Net Weight, oz.	Type	Begins to Harden	Reaches Full Strength	Shear, lbs./sq. in.	Peel	Mix Ratio	Consistency (Viscosity)	Temp. Range, °F	Color	Environment	For Joining		Each
ClearWeld	50114	0.5	__	Syringe	5 min.	1 hrs.	1,500	__	1:1	Paste	Not Rated to 300°	Clear	Submersible	Metal, Plastic, Rubber, Composites	0000000	00000
ClearWeld	50240H	8	__	Tube	5 min.	1 hrs.	1,500	__	1:1	Paste	Not Rated to 300°	Clear	Submersible	Metal, Plastic, Rubber, Composites	0000000	00000
MarineWeld	50172	0.85	__	Syringe	5 min.	1 hrs.	1,800	Not Rated	1:1	Paste (100,000 cP)	-20° to 300°	White	Salt Spray, Submersible	Metal, Plastic, Rubber, Composites, Glass, Masonry, Wood	000000	00000
MarineWeld	8272	2	__	Tube	6 hrs.	24 hrs.	1,800	Not Rated	1:1	Paste (250,000 cP)	Not Rated to 500°	Gray	Salt Spray, Submersible	Metal, Plastic, Rubber, Composites	0000000	0000
Plastic Bonder	50133	0.85	__	Syringe	15 min.	30 min.	1,700	__	1:1	Paste	Not Rated to 200°	Tan	Submersible	Plastic	0000000	0000
WaterWeld	8277	__	2	Stick	25 min.	60 min.	900	Not Rated	__	Putty (Not Rated)	Not Rated to 300°	Off-White	Salt Spray, Submersible	Metal, Plastic, Rubber, Composites	0000000	0000

Devcon Adhesives

	Container				Strength
Mfr. Model No.	Net Weight, oz.	Type	Begins to Harden	Reaches Full Strength	Shear, lbs./sq. in.	Mix Ratio	Consistency (Viscosity)	Temp. Range, °F	Color	Environment	For Joining		Each
11801	16	Pail	45 min.	24 hrs.	2,600	1:1	Putty	40° to 250°	Gray	Submersible	Metal, Plastic, Composites	00000000	0000000

Adhesives with Ten Mixing Sticks

Container				Strength
Net Weight, oz.	Type	Begins to Harden	Reaches Full Strength	Shear, lbs./sq. in.	Peel	Mix Ratio	Consistency (Viscosity)	Temp. Range, °F	Color	Environment	For Joining	Pkg. Qty.		Pkg.
0.1	One-Time-Use Packet	25 min.	7 days	2,200	Not Rated	2.5:1	Thick Liquid (40,000 cP)	0° to 220°	Gray	Salt Spray, Submersible	Metal, Composites, Masonry	10	0000000	000000

Epoxy Structural Adhesives for Harsh Environments

With excellent resistance to corrosive chemicals and salt water, these epoxies work in tough conditions. Epoxies are the strongest structural adhesives. Choose an adhesive that hardens quickly for fast repairs, or one that hardens slowly to allow more time for positioning.

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.

E-120HP resists acetone, fuel, and oil. It bonds dissimilar materials and withstands rapid changes in temperature.

9430 bonds dissimilar materials and resists fuel and hydraulic fluid.

Mfr. Model	Container				Strength
No.	Size	Type	Begins to Harden	Reaches Full Strength	Shear, lbs./sq. in.	Peel, lbs./in. wd.	Mix Ratio	Consistency (Viscosity)	Temp. Range, °F	Color	Environment	For Joining		Each
Loctite® Adhesives
E-120HP	1.69 fl. oz.	Cartridge	2 hrs.	24 hrs.	4,300	Not Rated	2:1	Thick Liquid (30,000 cP)	-65° to 250°	Amber	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Metal to Rubber, Plastic, Plastic to Rubber, Rubber, Ceramic	0000000	000000
E-120HP	6.76 fl. oz.	Cartridge	2 hrs.	24 hrs.	4,300	Not Rated	2:1	Thick Liquid (30,000 cP)	-65° to 250°	Amber	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Metal to Rubber, Plastic, Plastic to Rubber, Rubber, Ceramic	0000000	00000
E-120HP	13.5 fl. oz.	Cartridge	2 hrs.	24 hrs.	4,300	Not Rated	2:1	Thick Liquid (30,000 cP)	-65° to 250°	Amber	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Metal to Rubber, Plastic, Plastic to Rubber, Rubber, Ceramic	0000000	000000
9430	32 fl. oz.	Can	50 min.	5 days	4,230	60	3.78:1	Thick Liquid (12,000 cP)	-65° to 180°	Off-White	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Metal to Rubber, Plastic, Plastic to Rubber, Rubber	00000000	000000
9430	1.25 gal.	Can	50 min.	5 days	4,230	60	3.78:1	Thick Liquid (12,000 cP)	-65° to 180°	Off-White	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Metal to Rubber, Plastic, Plastic to Rubber, Rubber	00000000	000000
Adhesives
__	1.69 fl. oz.	Cartridge	30 min.	24 hrs.	360	Not Rated	2:1	Thick Liquid (7,000 cP)	-50° to 350°	Amber	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Metal to Rubber, Metal to Composites, Plastic, Plastic to Rubber, Plastic to Composites, Rubber, Rubber to Composites, Composites	000000	00000
__	1.69 fl. oz.	Cartridge	40 min.	24 hrs.	Not Rated	Not Rated	2:1	Thick Liquid (10,000 cP)	-65° to 350°	White	Corrosive, Salt Spray, Submersible	Metal, Metal to Plastic, Plastic	000000	00000

Mixer Nozzles, Plungers, and Dispensing Guns

		Each
Mixer Nozzle for 1.69 fl. oz. Cartridges	00000000	00000
Mixer Nozzle for 6.76 fl. oz. and 13.5 fl. oz. Cartridges	0000000	0000
Replacement Plunger for 13.5 fl. oz. Cartridges (2:1 Mix Ratio)	00000000	0000
Air-Powered Dispensing Gun for 1.69 fl. oz. Loctite® Cartridges	000000000	000000
Dispensing Gun for 1.69 fl. oz. Cartridges	00000000	00000
Dispensing Gun for 6.76 fl. oz. Cartridges	0000000	000000
Dispensing Gun for 13.5 fl. oz. Cartridges	0000000	000000

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