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About Sealant Flexibility
More
About Structural Adhesives
More
Gasketing Adhesives

Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY 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 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 ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | Begins to Harden, min. | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Each | |
Loctite® Sticks | ||||||||
---|---|---|---|---|---|---|---|---|
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 ACTIVITY 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 oz. | Tube | 2 | 24 | -20° to 170° | Black | Vinyl Plastic, Fabric | 000000 | 000000 |
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, 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 | |||||||||||
510 | 1.69 | Tube | 0.01" | 20 min. | 24 | -65° to 400° | Red | __ | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 00000000 | 000000 |
510 | 8.45 | Tube | 0.01" | 20 min. | 24 | -65° to 400° | Red | __ | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 00000000 | 00000 |
518 | 0.2 | Tube | 0.01" | 20 min. | 24 | -65° to 300° | Red | __ | Aluminum, Steel, Stainless Steel, Cast Iron | 000000 | 0000 |
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 | 00000 |
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 ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | Max. Gap Size Filled | Begins to Harden, min. | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Includes | Each | |
Loctite® Gasket Maker Sealants | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
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 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 ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | Max. Gap Size Filled | Begins to Harden, min. | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Each | |
Loctite® Sticks | |||||||||
---|---|---|---|---|---|---|---|---|---|
548 | 0.63 | 0.01" | 10 | 24 | -40° to 300° | Orange | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 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 ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | 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 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
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 Sealants in Cartridges

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).
Manufacturer Model Number | Container Size, oz. | 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 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
518 | 10.1 | 0.01" | 20 | 24 | -65° to 300° | Red | NSF/ANSI 61 | Aluminum, Steel, Stainless Steel, Cast Iron | 00000000 | 0000000 |
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 |
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).
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, 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 | |||||||||
---|---|---|---|---|---|---|---|---|---|
598 | 6.4 | 0.25" | 30 | 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.
598™ is RTV (room temperature vulcanizing).
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | 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 | 10.1 | 0.01" | 25 | 12 | -65° to 300° | Purple | UL Listed | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 000000 |
598 | 10.1 | 0.25" | 30 | 24 | -60° to 400° | Black | __ | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 00000 |
5188 | 10.1 | 0.005" | 5 | 24 | -65° to 300° | Red | __ | 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.
598™ is RTV (room temperature vulcanizing).
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Container | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Manufacturer Model Number | Size, 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 |
Fast-Hardening Gasket Maker Sealants in Nozzle-Top Cans

These gasket makers begin to harden in five minutes. 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.
Loctite® gasket makers are RTV (room temperature vulcanizing).
Manufacturer Model Number | Container Size, oz. | Max. Gap Size Filled | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Each | |
Loctite® Gasket Maker Sealants | ||||||||
---|---|---|---|---|---|---|---|---|
Instant Gasket | 3 | 0.25" | 24 | -65° to 400° | Black | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 000000 |
Instant Gasket | 6.4 | 0.25" | 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 cartridge with a standard caulk gun for quick and easy dispensing. This gasket maker begins to harden in five minutes. It 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 ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | Max. Gap Size Filled | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Each | |
Loctite® Gasket Maker Sealants | ||||||||
---|---|---|---|---|---|---|---|---|
Instant Gasket | 5 | 0.25" | 24 | -60° to 400° | Black | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 000000 |
Oil-Resistant Gasket Maker Sealants

Form gaskets that won't degrade in the presence of oils. 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, 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 | ||||||||||
5699 | 2.36 | Tube | 0.25" | 30 min. | 24 | -60° to 400° | Gray | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 00000000 | 000000 |
Oil-Resistant Gasket Maker Sealants in Nozzle-Top Cans

Form gaskets that won't degrade in the presence of oils. 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).
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, 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 | |||||||||
---|---|---|---|---|---|---|---|---|---|
5699 | 6.4 | 0.25" | 30 | 24 | -60° to 400° | Gray | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 00000000 | 000000 |
Oil-Resistant Gasket Maker Sealants in Cartridges

Form gaskets that won't degrade in the presence of oils. 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).
Manufacturer Model Number | Container Size, oz. | Max. Gap Size Filled | Begins to Harden | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Each | |
Loctite® Gasket Maker Sealants | |||||||||
---|---|---|---|---|---|---|---|---|---|
5699 | 10.1 | 0.25" | 30 min. | 24 | -60° to 400° | Gray | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 00000000 | 000000 |
Flexible Oil-Resistant Gasket Maker Sealants

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).
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, 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 | |||||||||
---|---|---|---|---|---|---|---|---|---|
5910 | 10.1 | 0.019" | 20 | 24 | -65° to 500° | Black | 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 and they make it easy to form irregular-shaped gaskets.
Loctite® 5920™ is RTV (room temperature vulcanizing).
Container | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Manufacturer Model Number | Size, 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 |
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).
Manufacturer Model Number | Container Size, 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 | |||||||||
---|---|---|---|---|---|---|---|---|---|
5920 | 10.1 | 0.24" | 60 | 24 | -65° to 600° | Copper | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 000000 |
Water-Resistant Gasket Sealants

In or out of water, this sealant maintains its strength. Gasket sealants seal existing gaskets on metal parts.
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Manufacturer Model Number | Container Size, oz. | Begins to Harden, hrs. | Reaches Full Strength, hrs. | Temp. Range, °F | Color | For Use On | Each | |
Loctite® Sealants | ||||||||
---|---|---|---|---|---|---|---|---|
MR 5923 | 16 | 4 | 24 | -65° to 400° | Red Brown | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 000000 |
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 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 |
2 | 7 oz. | Tube | 0.01" | 4 | 24 | -65° to 400° | Black | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 00000 |
Gasket Sealants for Rigid Seals

Form rigid seals on plumbing connections and duct. Gasket sealants seal existing gaskets on metal parts.
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Container | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Manufacturer Model Number | Size, 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 |
Silicone Sealants



Made from silicone, these sealants are RTV (room-temperature vulcanizing). They’re non-sagging, so they won't drip from vertical and overhead surfaces.
Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. Sealants that are good for joining dissimilar materials also work well in environments with wide temperature fluctuation.
Container | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Hardness | Temp. Range, °F | For Joining | Specifications Met | Color | Each | |
Loctite® Superflex Silicone | |||||||||||||
593 | 2.7 | Tube | 30 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -60° to 400° | Metal | UL 94 HB | Black | 00000000 | 00000 |
593 | 6.4 | Nozzle-Top Can | 30 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -60° to 400° | Metal | UL 94 HB | Black | 00000000 | 00000 |
593 | 10.1 | Cartridge | 30 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -60° to 400° | Metal | UL 94 HB | Black | 00000000 | 00000 |
594 | 2.7 | Tube | 30 min. | 24 hrs. | 275% | Not Rated | Soft (Durometer 14A) | -60° to 400° | Metal | UL 94 HB | White | 00000000 | 00000 |
594 | 6.4 | Nozzle-Top Can | 30 min. | 24 hrs. | 275% | Not Rated | Soft (Durometer 14A) | -60° to 400° | Metal | UL 94 HB | White | 00000000 | 00000 |
594 | 10.1 | Cartridge | 30 min. | 24 hrs. | 275% | Not Rated | Soft (Durometer 14A) | -60° to 400° | Metal | UL 94 HB | White | 00000000 | 00000 |
595 | 2.7 | Tube | 30 min. | 24 hrs. | 350% | Not Rated | Soft (Durometer 20A) | -60° to 400° | Metal | NSF/ANSI 51 | Clear | 00000000 | 0000 |
595 | 6.4 | Nozzle-Top Can | 30 min. | 24 hrs. | 350% | Not Rated | Soft (Durometer 20A) | -60° to 400° | Metal | NSF/ANSI 51 | Clear | 00000000 | 00000 |
595 | 10.1 | Cartridge | 30 min. | 24 hrs. | 350% | Not Rated | Soft (Durometer 20A) | -60° to 400° | Metal | NSF/ANSI 51 | Clear | 0000000 | 00000 |
SI 596 RD | 2.7 | Tube | 30 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -60° to 600° | Metal | __ | Red | 0000000 | 00000 |
SI 596 RD | 10.1 | Cartridge | 30 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -60° to 600° | Metal | __ | Red | 0000000 | 00000 |
SI 596 RD | 12 | Tube | 30 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -60° to 600° | Metal | __ | Red | 0000000 | 00000 |
PR-1200 Primer for Dow Corning 700, 732, 733, 736, Loctite®, 76435T21, 76435T11, and 7545A611 Sealants (16-oz. Bottle) | 0000000 | Each | 000000 |
Mildew-Resistant Silicone Sealants

Resistant to mold and mildew, these sealants are well suited to high-humidity environments. They’re non-sagging, so they won't drip from vertical and overhead surfaces. Made from silicone, sealants are RTV (room-temperature vulcanizing).
Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. Sealants that are good for joining dissimilar materials also work well in environments with wide temperature fluctuation.
Container | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Hardness | Temp. Range, °F | For Joining | Color | Clarity | Each | |
Loctite® Silicone | |||||||||||||
SI 5049 | 10.1 | Cartridge | 10 min. | 24 hrs. | 400% | Not Rated | Soft (Durometer 11A) | -30° to 250° | Metal Metal to Glass Glass Masonry | Clear | Clear | 00000000 | 000000 |
Noncorrosive Silicone Sealants


Also known as neutral-cure sealants, these won't discolor copper, brass, and concrete. They’re non-sagging, so they won't drip from vertical and overhead surfaces. Made from silicone, sealants are RTV (room-temperature vulcanizing).
Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. Sealants that are good for joining dissimilar materials also work well in environments with wide temperature fluctuation.
Sealants that cannot be sold to California exceed local regulatory limits on VOCs (volatile organic compounds).
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Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Hardness | Temp. Range, °F | For Joining | Color | Each | |
Loctite® Silicone | ||||||||||||
SI 5011 CL | 2.7 | Tube | 20 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 20A) | -75° to 400° | Metal Metal to Plastic Metal to Rubber Metal to Composites Metal to Glass Plastic Plastic to Rubber Plastic to Composites Plastic to Glass Rubber Rubber to Composites Rubber to Glass Asphalt Composites Composites to Glass Glass Masonry Wood | Clear | 0000000 | 000000 |
SI 5011 CL | 10.1 | Cartridge | 20 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 20A) | -75° to 400° | Metal Metal to Plastic Metal to Rubber Metal to Composites Metal to Glass Plastic Plastic to Rubber Plastic to Composites Plastic to Glass Rubber Rubber to Composites Rubber to Glass Asphalt Composites Composites to Glass Glass Masonry Wood | Clear | 0000000 | 00000 |
SI 5109 | 10.1 | Cartridge | 60 min. | 24 hrs. | 300% | Not Rated | Soft (Durometer 18A) | -75° to 600° | Metal Metal to Plastic Metal to Rubber Metal to Composites Metal to Glass Plastic Plastic to Rubber Plastic to Composites Plastic to Glass Rubber Rubber to Composites Rubber to Glass Asphalt Composites Composites to Glass Glass Masonry Wood | Red | 0000000 | 00000 |
Structural Sealants

These structural sealants combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility. They’re non-sagging, so they won't drip from vertical and overhead surfaces.
Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. For joints between dissimilar materials and in environments with wide temperature fluctuation, choose a sealant with a higher elongation or joint compression/expansion tolerance. For high-wear applications, choose a harder sealant for the most abrasion resistance.
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Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Hardness | Temp. Range, °F | For Joining | Color | Each | |
Loctite® Hybrid Polymer | ||||||||||||
5510 | 10.1 | Cartridge | 24 hrs. | 7 days | 140% | Not Rated | Medium Soft (Durometer 44A) | -40° to 200° | Metal Metal to Plastic Metal to Rubber Metal to Composites Plastic Plastic to Rubber Plastic to Composites Rubber Rubber to Composites Composites Masonry Wood | Clear | 0000000 | 000000 |
5510 | 10.1 | Cartridge | 24 hrs. | 7 days | 140% | Not Rated | Medium Soft (Durometer 44A) | -40° to 200° | Metal Metal to Plastic Metal to Rubber Metal to Composites Plastic Plastic to Rubber Plastic to Composites Rubber Rubber to Composites Composites Masonry Wood | Gray | 00000000 | 00000 |
5510 | 10.1 | Cartridge | 24 hrs. | 7 days | 320% | Not Rated | Medium Soft (Durometer 35A) | -40° to 200° | Metal Metal to Plastic Metal to Rubber Metal to Composites Plastic Plastic to Rubber Plastic to Composites Rubber Rubber to Composites Composites Masonry Wood | White | 00000000 | 00000 |
5510 | 10.1 | Cartridge | 24 hrs. | 7 days | 375% | Not Rated | Medium Soft (Durometer 35A) | -40° to 200° | Metal Plastic Rubber Composites Masonry Wood | Black | 00000000 | 00000 |
Oil-Resistant Sealants



Make tough, flexible, oil-resistant seals. These sealants are non-sagging, so they won't drip from vertical and overhead surfaces. Made from silicone, sealants are RTV (room-temperature vulcanizing). Note: These sealants are not for use on parts that come into contact with gasoline.
Elongation and joint expansion/compression tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. These sealants are best suited to joints between similar materials that aren't exposed to wide temperature fluctuation.
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
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Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Tensile Strength | Hardness Rating | Temp. Range, °F | For Joining | Color | Each | |
Loctite® Superflex Silicone | |||||||||||||
Blue RTV | 2.7 | Tube | 30 min. | 24 hrs. | Not Rated | Not Rated | Not Rated | Soft (Durometer 25A) | -65° to 390° | Metal | Blue | 0000000 | 00000 |
Blue RTV | 6.4 | Nozzle-Top Can | 30 min. | 24 hrs. | Not Rated | Not Rated | Not Rated | Soft (Durometer 25A) | -65° to 390° | Metal | Blue | 0000000 | 00000 |
Blue RTV | 10.1 | Cartridge | 30 min. | 24 hrs. | Not Rated | Not Rated | Not Rated | Soft (Durometer 25A) | -65° to 390° | Metal | Blue | 0000000 | 00000 |
Blue RTV | 12 | Tube | 30 min. | 24 hrs. | Not Rated | Not Rated | Not Rated | Soft (Durometer 25A) | -65° to 390° | Metal | Blue | 0000000 | 00000 |
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 oz. Bottle Threadlocker (243)—0.34 oz. Bottle Threadlocker (263)—0.34 oz. Bottle Retaining Compound (609)—0.34 oz. Bottle Retaining Compound (660)—1.69. Tube Gasket Maker Sealant (587)—2.4 oz. Tube Gasket Maker Sealant (518)—1.69 oz. Tube Pipe Thread Sealant (5452)—1.69 oz. Tube | 24 | No | 0000000 | 0000000 |