Loctite® Gasket Sealants

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49 Products

About Structural Adhesives

Use cartridges with a standard caulk gun for quick and easy dispensing. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets.

Loctite® 587™ and 5900™ are RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	Specifications Met	For Use On		Each
509	10.1	0.01"	60	48	-65° to 300°	Blue	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	0000000
518	10.1	0.01"	20	24	-65° to 300°	Red	NSF/ANSI 61	Aluminum, Steel, Stainless Steel, Cast Iron	00000000	000000
587	10.1	0.01"	30	24	-60° to 400°	Blue	UL Listed	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
5900	10.1	0.25"	20	24	-60° to 400°	Black	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000

Gasket Maker Sealants

Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They make it easy to form irregular-shaped gaskets.

Loctite® 587™ is RTV (room temperature vulcanizing).

	Container
Manufacturer Model Number	Size, fl. oz.	Type	Max. Gap Size Filled	Begins to Harden	Reaches Full Strength, hrs.	Temp. Range, °F	Color	Specifications Met	For Use On		Each
Loctite® Gasket Maker Sealants
518	0.2	Tube	0.01"	20 min.	24	-65° to 300°	Red	__	Aluminum, Steel, Stainless Steel, Cast Iron	000000	00000
518	1.69	Tube	0.01"	20 min.	24	-65° to 300°	Red	__	Aluminum, Steel, Stainless Steel, Cast Iron	00000000	00000
549	8.5	Tube	0.05"	2 hrs.	24	-65° to 300°	Orange	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron	0000000	000000
573	8.45	Tube	0.01"	60 min.	72	-65° to 300°	Green	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000
574	1.69	Tube	0.01"	60 min.	72	-65° to 300°	Orange	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
574	8.45	Tube	0.01"	60 min.	72	-65° to 300°	Orange	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000
587	2.36	Tube	0.01"	30 min.	24	-60° to 400°	Blue	UL Listed	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000

Gasket Maker Sealants in Syringes

Push the plunger to precisely dispense small amounts. Gasket maker is used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and makes it easy to form irregular-shaped gaskets.

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On	Includes		Each
518	0.85	0.05"	20	24	-65° to 300°	Red	Aluminum, Steel, Stainless Steel, Cast Iron	0.88-oz. Aerosol Primer	00000000	000000

Gasket Maker Sealants in Nozzle-Top Cans

Dispense a uniform bead when you press the nozzle. Gasket maker is used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and makes it easy to form irregular-shaped gaskets. It is RTV (room temperature vulcanizing).

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	Specifications Met	For Use On		Each
587	6.4	0.01"	30	24	-60° to 400°	Blue	UL Listed	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

Gasket Maker Sealant Sticks

All the benefits of a gasket maker in a no-drip form. Gasket maker is used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. It makes it easy to form irregular-shaped gaskets.

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

Loctite® Sticks
Manufacturer Model Number	Container Net Weight, oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
548	0.63	0.01"	10	24	-40° to 300°	Orange	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

Flexible Gasket Maker Sealants

Make gaskets that accommodate movement. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets.

Loctite® 598™ and Permatex 82180 are RTV (room temperature vulcanizing).

	Container
Manufacturer Model Number	Size, fl. oz.	Type	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	Specifications Met	For Use On		Each
Loctite® Gasket Maker Sealants
515	0.2	Tube	0.01"	25	12	-65° to 300°	Purple	UL Listed	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
515	1.69	Tube	0.01"	25	12	-65° to 300°	Purple	UL Listed	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
598	0.5	Tube	0.25"	30	24	-60° to 400°	Black	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	0000
598	2.36	Tube	0.25"	30	24	-60° to 400°	Black	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
5188	1.69	Tube	0.005"	5	24	-65° to 300°	Red	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000

Flexible Gasket Maker Sealants in Nozzle-Top Cans

Make gaskets that accommodate movement. Press the nozzle to dispense a uniform bead. Gasket maker is used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and makes it easy to form irregular-shaped gaskets. It is RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size	Max. Gap Size Filled	Begins to Harden	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
598	6.4 fl. oz.	0.25"	30 min.	24	-60° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

Flexible Gasket Maker Sealants in Cartridges

Make gaskets that accommodate movement. Use cartridges with a standard caulk gun for quick and easy dispensing. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets.

Loctite® 598™ and Permatex 24105 are RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size	Max. Gap Size Filled	Begins to Harden	Reaches Full Strength, hrs.	Temp. Range, °F	Color	Specifications Met	For Use On		Each
515	10.1 fl. oz.	0.01"	25 min.	12	-65° to 300°	Purple	UL Listed	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000
598	10.1 fl. oz.	0.25"	30 min.	24	-60° to 400°	Black	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
5188	10.1 fl. oz.	0.005"	5 min.	24	-65° to 300°	Red	__	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

Fast-Hardening Gasket Maker Sealants in Nozzle-Top Cans

The thick consistency of these gasket makers creates a seal right away even before they harden. This means you can safely return your application to normal operation in just one minute. Press the nozzle to dispense a uniform bead. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets. All are RTV (room temperature vulcanizing).

	Container
Manufacturer Model Number	Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Gasket Maker Sealants
Instant Gasket	3	0.25"	5	24	-65° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000
Instant Gasket	6.4	0.25"	5	24	-65° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000

Fast-Hardening Gasket Maker Sealants in Cartridges

Use cartridges with a standard caulk gun for quick and easy dispensing. These gasket makers have a thick consistency that creates a seal right away, even before they begin to harden, so you can use your machine again in just one minute. They are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They also make it easy to form irregular-shaped gaskets. All are RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size	Max. Gap Size Filled	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Instant Gasket	5 fl. oz.	0.25"	24	-60° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

High-Temperature Gasket Maker Sealants in Cartridges

Create gaskets that withstand temperatures up to 600° F. Use cartridges with a standard caulk gun for quick and easy dispensing. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets. They are RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
5920	10.1	0.24"	60	24	-65° to 600°	Copper	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

High-Temperature Gasket Maker Sealants

Create gaskets that withstand temperatures up to 600° F. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They make it easy to form irregular-shaped gaskets.

Loctite® 5920™ is RTV (room temperature vulcanizing).

	Container
Manufacturer Model Number	Size, fl. oz.	Type	Max. Gap Size Filled	Begins to Harden	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Gasket Maker Sealants
5920	2.36	Tube	0.24"	60 min.	24	-65° to 600°	Copper	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000
30558	7	Tube	__	3 hrs.	__	-50° to 600°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000

Flexible Oil-Resistant Gasket Maker Sealants in Cartridges

These gasket makers combine oil resistance and the flexibility to accommdate movement. Use cartridge with a standard caulk gun for quick and easy dispensing. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets. It is RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
5910	10.1	0.019"	20 min.	24	-65° to 500°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000
5970	10.1	0.24"	25 min.	24	-65° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron	0000000	000000

Rigid Oil-Resistant Gasket Maker Sealants

Form dense, rigid gaskets that won’t degrade in the presence of oil. Because they’re rigid, they stand up to vibration and high-torque applications. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal and make it easy to form irregular-shaped gaskets. They are RTV (room temperature vulcanizing).

	Container
Manufacturer Model Number	Size, fl. oz.	Type	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Gasket Maker Sealants
5699	2.36	Tube	0.25"	30	24	-60° to 400°	Gray	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	00000000	000000

Rigid Oil-Resistant Gasket Maker Sealants in Nozzle-Top Cans

Press the nozzle to dispense a uniform bead. These gasket makers create dense, rigid gaskets that withstand vibration and high-torque applications and won’t degrade from oil. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They make it easy to create irregular-shaped gaskets. These gasket makers are RTV (room temperature vulcanizing).

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On	Flexibility		Each
5699	6.4	0.25"	30	24	-60° to 400°	Gray	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	Rigid	00000000	000000

Rigid Oil-Resistant Gasket Maker Sealants in Cartridges

With a standard caulk gun, quickly and easily make dense, rigid gaskets that won’t degrade from oil. Since they're rigid, they stand up to vibration and high-torque applications. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They make it easy to create irregular-shaped gaskets. All are RTV (room temperature vulcanizing).

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
5699	10.1	0.25"	30	24	-60° to 400°	Gray	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	00000000	000000

Anaerobic Gasket Maker Sealants

Curing without exposure to air, these anaerobic gasket makers begin to harden when you press your coated surfaces together. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They make it easy to form irregular-shaped gaskets.

	Container
Manufacturer Model Number	Size, fl. oz.	Type	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, ºF	Color	For Use On		Each
Loctite® Gasket Maker Sealants
510	1.69	Tube	0.01"	20	24	-65º to 400º	Red	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	00000000	000000
510	8.45	Tube	0.01"	20	24	-65º to 400º	Red	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	00000000	00000

Anaerobic Gasket Maker Sealants in Cartridges

Use cartridges with a standard caulk gun for quick and easy dispensing. These anaerobic gasket makers begin to harden when you press your coated surfaces together, curing without exposure to air. Gasket makers are used in place of rubber, cork, and other traditional gasket materials for a form-in-place seal. They make it easy to form irregular-shaped gaskets.

Loctite® Gasket Maker Sealants
Manufacturer Model Number	Container Size, fl. oz.	Max. Gap Size Filled	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
510	10.1	0.01"	20	24	-65° to 400°	Red	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	0000000

Water-Resistant Gasket Sealants

In or out of water, this sealant maintains its strength. Gasket sealants seal existing gaskets on metal parts.

	Container
Manufacturer Model Number	Size, fl. oz.	Net Weight, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	Color	For Use On		Each
Loctite® Sealants
MR 5009	__	9	Aerosol Can	1 sec.	5 min.	-65° to 500°	Red	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron	0000000	000000
MR 5009	16	__	Brush-Top Can	1 sec.	5 min.	-65° to 500°	Red	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron	0000000	00000
MR 5923	16	__	Brush-Top Can	4 hrs.	24 hrs.	-65° to 400°	Red Brown	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000

Gasket Sealants for Flexible Seals

Create flexible seals that never fully harden. Gasket sealants seal gaskets on metal parts.

	Container
Manufacturer Model Number	Size	Type	Max. Gap Size Filled	Begins to Harden, hrs.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Sealants
2	3 fl. oz.	Tube	0.01"	4	24	-65° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
2	7 fl. oz.	Tube	0.01"	4	24	-65° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	00000
2	5 gal.	Pail	0.01"	4	24	-65° to 400°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	000000	000000

Gasket Sealants for Rigid Seals

Form rigid seals on plumbing connections and duct. Gasket sealants seal existing gaskets on metal parts.

	Container
Manufacturer Model Number	Size, fl. oz.	Type	Max. Gap Size Filled	Begins to Harden, hrs.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Sealants
1	7	Tube	0.01"	2	24	-65° to 400°	Red Brown	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

High-Temperature Gasket Sealants

Even in temperatures up to 600° F, these sealants maintain their strength.

	Container
Manufacturer Model Number	Size	Type	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Sealants
NS 5109	7 oz.	Tube	5	-50° to 600°	Black	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium	0000000	000000

Gasketing Adhesives

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Container				Temp. Range, °F
Manufacturer Model Number	Size	Type	Begins to Harden, min.	Reaches Full Strength, hrs.	Min.	Max.	Color	For Use On		Each
Loctite® Adhesives
30537	5 fl. oz.	Tube	2	24	Not Rated	180°	Yellow	Vinyl Plastic, EPDM Rubber, SBR Rubber	000000	000000

Gasketing Adhesive Sticks

All the benefits of gasketing adhesive in a no-drip form. Gasket adhesives hold gaskets in place during assembly.

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

Loctite® Sticks
Manufacturer Model Number	Container Net Weight, oz.	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
534	0.67	10	24	-65° to 300°	Purple	Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium, Cork	0000000	000000

Oil-Resistant Gasketing Adhesives

Form bonds that will not degrade in the presence of oils and fuels. Gasket adhesives hold gaskets in place during assembly.

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Container
Manufacturer Model Number	Size	Type	Begins to Harden, min.	Reaches Full Strength, hrs.	Temp. Range, °F	Color	For Use On		Each
Loctite® Adhesives
30540	5 fl. oz.	Tube	2	24	-20° to 170°	Black	Vinyl Plastic, Fabric	000000	000000

Adhesive Maintenance Kits

Assorted adhesives for routine maintenance work or quick repairs.

Mfr.	Includes	Component (Mfr. Model No.)	Reaches Full Strength, hrs.	Mixing Required		Each
Loctite®	Case	Pipe Thread Sealant (567)—1.69 fl. oz. Bottle Threadlocker (243)—0.34 fl. oz. Bottle Threadlocker (263)—0.34 fl. oz. Bottle Retaining Compound (609)—0.34 fl. oz. Bottle Retaining Compound (660)—1.69 fl. oz. Tube Gasket Maker Sealant (587)—2.4 fl. oz. Tube Gasket Maker Sealant (518)—1.69 fl. oz. Tube Pipe Thread Sealant (5452)—1.69 fl. oz. Tube	24	No	0000000	0000000