J-B Weld Putty | McMaster-Carr

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7 Products

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About Structural Adhesives

Compare epoxy, acrylic, and urethane adhesive options. Then learn about adhesive performance measures and best practices to create a strong bond.

Form

Liquid

Flow into narrower gaps than gels and pastes

2 products

Paste

Thicker than liquid adhesives, but still spreadable

1 product

Form

Putty

Form into the shape you need

4 products

Performance

High Strength

Resist breaking when surfaces try to slide apart

6 products

Machinable Epoxy Structural Adhesives

Stick

Restore cracked and hole-filled metal workpieces back to usable form with these epoxies. Once cured, you can drill precise holes, tap strong threads, and sand and file the adhesives to tight dimensions. They're steel filled for strength but won't rust.

Epoxies are the strongest and most chemical-resistant adhesives. They bond especially well on metal.

These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.

Putty—Slice off a chunk and mold it into the shape you need.

					Strength
	Mfr. Model No.	Container Type	Begins to Harden, min.	Reaches Full Strength, min.	Shear, psi	Peel	Consistency	Viscosity	Temp. Range, ° F	For Joining		Each
J-B Weld







				SteelStik

				8267	Stick	5	60	900	Not Rated	Putty	Not Rated	-20 to 300	Composite, Masonry, Metal, Rubber	7605A2	00000

Epoxy Structural Adhesives

Stick

Epoxies are the strongest and most chemical-resistant structural adhesives. They bond especially well on metal.

These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.

7524A161 is solvent free. If the adhesive hardens in the tube, soften in warm water before dispensing.

Putty—Slice off a chunk and mold it into the shape you need.

					Strength
	Mfr. Model No.	Container Type	Begins to Harden, min.	Reaches Full Strength, hr.	Shear, psi	Peel	Consistency	Viscosity	Temp. Range, ° F	For Joining		Each
J-B Weld







				HighHeat

				8297	Stick	60	8	900	Not Rated	Putty	Not Rated	-20 to 450	Composite, Masonry, Metal, Plastic, Rubber	7605A3	000000




						PlasticWeld

						8237	Stick	20	24	900	Not Rated	Putty	Not Rated	-20 to 300	Composite, Masonry, Plastic, Rubber	7605A1	0000

Waterproof Epoxy Structural Adhesives

Stick

Even when used underwater, these adhesives maintain their strength. Epoxies are the strongest and most chemical-resistant adhesives. They bond especially well on metal.

These epoxies come in two parts that need to be mixed. The container size listed is the combined total of the two parts.

Putty—Slice off a chunk and mold it into the shape you need.

					Strength
	Mfr. Model No.	Container Type	Begins to Harden, min.	Reaches Full Strength, min.	Shear, psi	Peel	Consistency	Viscosity	For Joining		Each
J-B Weld







				WaterWeld

				8277	Stick	25	60	900	Not Rated	Putty	Not Rated	Composite, Metal, Plastic, Rubber	7605A16	00000

Slow-Set Epoxy Structural Adhesives

Syringe

Take your time positioning parts—these epoxies remain adjustable for at least 90 minutes before setting. Epoxies are the strongest and most chemical-resistant structural adhesives. They bond especially well on metal.

These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.

Paste—Thicker than liquid adhesives but still spreadable—good for filling gaps and covering surfaces.

		Container				Strength
	Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden, hr.	Reaches Full Strength, hr.	Shear, psi	Peel	Mix Ratio	Consistency	Viscosity, cP	For Joining		Each
J-B Weld







				Original

				50165	0.85	Syringe	4	24	1,800	Not Rated	1:1	Paste	150,000	Composite, Glass, Masonry, Metal, Plastic, Rubber	7605A4	00000

Urethane Structural Adhesives

Syringe

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

Some of these adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.

Thick Liquid—Flow into narrower gaps than gels and pastes, but thick enough to stay put on uneven surfaces.

		Container				Strength
	Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden, min.	Reaches Full Strength, hr.	Shear, psi	Peel	Mix Ratio	Consistency	Viscosity, cP	Temp. Range, ° F	For Joining		Each
J-B Weld







				Plastic Bonder

				50139	0.85	Syringe	6	1	1,000	Not Rated	1:1	Thick Liquid	50,000	-20 to 250	Composite, Masonry, Metal, Plastic, Rubber, Wood, Metal to Composite, Metal to Plastic, Metal to Rubber, Plastic to Composite, Plastic to Masonry, Plastic to Rubber, Rubber to Composite, Rubber to Masonry	7605A6	00000

Quick-Set Epoxy Structural Adhesives

Syringe

For quick repairs, these epoxies begin to harden in six minutes or less. Epoxies are the strongest and most chemical-resistant structural adhesives. They bond especially well on metal.

These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.

Thick Liquid—Flow into narrower gaps than gels and pastes, but thick enough to stay put on uneven surfaces.

		Container				Strength
	Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden, min.	Reaches Full Strength, min.	Shear, psi	Peel	Mix Ratio	Consistency	Viscosity, cP	Temp. Range, ° F	For Joining		Each
J-B Weld







				PlasticWeld

				50132	0.85	Syringe	5	60	2,000	Not Rated	1:1	Thick Liquid	9,000	-20 to 300	Composite, Masonry, Metal, Plastic, Rubber, Wood	7605A5	00000