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Brush-Top Can | Bottle |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Sealant Flexibility
More
Thread Sealants with PTFE




PTFE provides a slippery surface that keeps threads from binding. These sealants are anaerobic, so they don’t begin to harden until coated surfaces are threaded together, blocking exposure to air.
Sealants with low locking strength prevent threads from loosening due to vibration and can be adjusted without tools.
Sealants with medium locking strength prevent threads from loosening due to vibration and shock. They require a hand tool to unthread.
To adhere to safety standards for drinking water systems, use sealants that meet NSF/ANSI 61.
Container | Max. Pressure, psi | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Specifications Met | Color | Each | |
Low Locking Strength | |||||||||||||
Loctite® Sealants | |||||||||||||
565 | 0.2 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Paste | NSF/ANSI 61, UL Listed | White | 00000000 | 00000 |
565 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Paste | NSF/ANSI 61, UL Listed | White | 0000000 | 00000 |
565 | 8.4 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Paste | NSF/ANSI 61, UL Listed | White | 00000000 | 00000 |
565 | 10.1 | Cartridge | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Paste | NSF/ANSI 61, UL Listed | White | 0000000 | 00000 |
565 | 33.8 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Paste | NSF/ANSI 61, UL Listed | White | 0000000 | 000000 |
567 | 0.2 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 400° | 3" | Paste | NSF/ANSI 61, UL Listed | White | 00000000 | 0000 |
567 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 400° | 3" | Paste | NSF/ANSI 61, UL Listed | White | 00000000 | 00000 |
567 | 8.4 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 400° | 3" | Paste | NSF/ANSI 61, UL Listed | White | 00000000 | 00000 |
567 | 11.8 | Brush-Top Can | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 400° | 3" | Paste | NSF/ANSI 61, UL Listed | White | 0000000 | 00000 |
567 | 33.8 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 400° | 3" | Paste | NSF/ANSI 61, UL Listed | White | 0000000 | 000000 |
Medium Locking Strength | |||||||||||||
Loctite® Sealants | |||||||||||||
577 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3 1/8" | Paste | __ | Yellow | 00000000 | 00000 |
577 | 8.5 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3 1/8" | Paste | __ | Yellow | 0000000 | 00000 |
592 | 0.2 | Tube | 24 hrs. | 72 hrs. | 10,000 | 10,000 | -65° to 400° | 3/8" | Paste | __ | White | 00000000 | 0000 |
592 | 1.7 | Tube | 24 hrs. | 72 hrs. | 10,000 | 10,000 | -65° to 400° | 3/8" | Paste | __ | White | 00000000 | 00000 |
592 | 8.4 | Tube | 24 hrs. | 72 hrs. | 10,000 | 10,000 | -65° to 400° | 3/8" | Paste | __ | White | 00000000 | 00000 |
592 | 33.8 | Bottle | 24 hrs. | 72 hrs. | 10,000 | 10,000 | -65° to 400° | 3/8" | Paste | __ | White | 0000000 | 000000 |
Drip-Free Thread Sealants with PTFE

Apply this thread sealant stick without a mess. It contains PTFE, which provides a slippery surface that keeps threads from binding. Since the sealant is anaerobic, it doesn’t begin to harden until coated surfaces are threaded together, blocking exposure to air. It has low locking strength, so it prevents threads from loosening due to vibration and can be adjusted without tools. It meets NSF/ANSI 61 for use with drinking water.
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Container | Max. Pressure, psi | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Specifications Met | Color | Each | |
Low Locking Strength | |||||||||||||
Loctite® Sealants | |||||||||||||
561 | 0.7 | Stick | 5 min. | 72 hrs. | 10,000 | 10,000 | -65° to 300° | 3 1/8" | Semi-Solid | NSF/ANSI 61 | White | 0000000 | 000000 |
Non-Hardening Thread Sealants with PTFE

PTFE provides a slippery surface that keeps threads from binding. These sealants never fully harden, remaining pliable enough to self-heal and stop leaks before they start, so they’re often used in high-vibration applications that could cause standard thread sealants to fail. Since they have low locking strength, these sealants can be adjusted without tools.
VOC (volatile organic compounds) regulations restrict sales of sealants that cannot be sold to the listed jurisdictions/areas.
Container | Max. Pressure, psi | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size | Type | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Color | Cannot Be Sold To | Each | |
Low Locking Strength | |||||||||||
Loctite® Sealants | |||||||||||
5113 | 16 oz. | Brush-Top Can | Not Rated | Not Rated | -65° to 300° | 2" | Paste | White | CO, CT, DC, DE, IL, IN, MA, MD, ME, MI, NH, NJ, Northern VA, NY, OH, PA, RI, UT | 0000000 | 000000 |
Non-Hardening Thread Sealants

Often used in high-vibration applications that could cause standard thread sealants to fail, these never fully harden and remain pliable enough to self-heal and stop leaks before they start. They have low locking strength, so they can be adjusted without tools.
Sealants that cannot be sold to the listed regions are restricted due to local VOC (Volatile Organic Compounds) regulations.
Container | Max. Pressure, psi | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size | Type | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Color | Cannot Be Sold To | Each | |
Low Locking Strength | |||||||||||
Loctite® Sealants | |||||||||||
5117 | 16 oz. | Brush-Top Can | 10,000 | 10,000 | -65° to 400° | 2" | Thick Liquid | Black | CO, CT, DC, DE, IL, IN, MA, MD, ME, MI, NH, NJ, NY, OH, PA, RI, UT, Northern VA | 0000000 | 000000 |
5438 | 16 oz. | Brush-Top Can | 10,000 | 10,000 | -65° to 300° | 2" | Paste | White | CO, CT, DC, DE, IL, IN, MA, MD, ME, MI, NH, NJ, NY, OH, PA, RI, UT, Northern VA | 0000000 | 00000 |
Thread Sealants


These thread sealants are anaerobic, so they don’t begin to harden until coated surfaces are threaded together, blocking exposure to air.
Sealants with low locking strength prevent threads from loosening due to vibration and can be adjusted without tools.
Sealants with medium locking strength prevent threads from loosening due to vibration and shock. They require a hand tool to unthread.
Container | Max. Pressure, psi | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Color | Each | |
Low Locking Strength | ||||||||||||
Loctite® Sealants | ||||||||||||
564 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Paste | Off-White | 0000000 | 000000 |
564 | 8.5 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | Not Rated to 300° | 3/8" | Paste | Off-White | 0000000 | 00000 |
572 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -55° to 300° | 3 1/8" | Paste | Off-White | 0000000 | 00000 |
Medium Locking Strength | ||||||||||||
Loctite® Sealants | ||||||||||||
542 | 1.7 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 1" | Thin Liquid | Brown | 00000000 | 00000 |
571 | 8.5 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Thick Liquid | Brown | 0000000 | 000000 |
580 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Paste | White | 00000000 | 00000 |
5770 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 530° | 3/8" | Paste | Off-White | 00000000 | 00000 |
5770 | 8.4 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 530° | 3/8" | Paste | Off-White | 00000000 | 000000 |
5772 | 1.7 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3 1/8" | Thick Liquid | Yellow | 0000000 | 000000 |
Thread Sealants for Hydraulic and Compressed Air Systems



Formulated for high lubricity, these sealants allow easy assembly of finely threaded hydraulic and compressed air system components. They're also free of fillers that could contaminate system media. These sealants are anaerobic, so they don’t begin to harden until coated surfaces are threaded together, blocking exposure to air. Sealants with medium locking strength prevent threads from loosening due to vibration and shock. They require a hand tool to unthread.
Sealants with high locking strength work in demanding applications, such as securing mounting studs in motor housings. They require both heat and a hand tool to unthread.
Container | Max. Pressure, psi | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Color | Each | |
Medium Locking Strength | ||||||||||||
Loctite® Sealants | ||||||||||||
545 | 0.02 | One-Time-Use Capsule | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Thick Liquid | Purple | 000000 | 00000 |
545 | 0.3 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Thick Liquid | Purple | 0000000 | 00000 |
545 | 1.7 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Thick Liquid | Purple | 00000000 | 00000 |
545 | 8.4 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 2" | Thick Liquid | Purple | 00000000 | 000000 |
5452 | 1.7 | Tube | 1 min. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Thick Liquid | Purple | 00000000 | 00000 |
5452 | 8.4 | Tube | 1 min. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Thick Liquid | Purple | 00000000 | 000000 |
High Locking Strength | ||||||||||||
Loctite® Sealants | ||||||||||||
569 | 1.7 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Thin Liquid | Brown | 00000000 | 00000 |
569 | 8.4 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3/8" | Thin Liquid | Brown | 00000000 | 000000 |
Thread Sealants for Refrigeration Systems

For use in refrigeration systems and applications exposed to strong chemicals, these sealants have excellent solvent resistance. They’re anaerobic, so they don’t begin to harden until coated surfaces are threaded together, blocking exposure to air. Sealants have medium locking strength, which prevents threads from loosening due to vibration and shock. They require a hand tool to unthread.
Certificates with a traceable lot number and product shelf life are available for these products. Download certificates from ACTIVITY after your order ships.
Container | Max. Pressure, psi | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, oz. | Type | Begins to Harden | Reaches Full Strength | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Color | Each | |
Medium Locking Strength | ||||||||||||
Loctite® Sealants | ||||||||||||
554 | 0.3 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3" | Thick Liquid | Red | 00000000 | 000000 |
554 | 8.4 | Bottle | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3" | Thick Liquid | Red | 00000000 | 000000 |
Thread Sealant Cord

Wind this multifilament cord into the grooves of tapered pipe threads to quickly create a seal. It can be applied to metal pipe up to size 4 NPT and plastic pipe up to size 1 1/2 NPT. The container includes a built-in cutter for fast application. After tightening, pipe can be loosened up to an eighth of a turn without leaking. Sealant meets NSF/ANSI 61 for use with drinking water in systems up to 180° F.
Mfr. Model No. | Lg., ft. | Density, g/cm3 | Max. Pressure for Fluids, psi | Temp. Range, °F | For Max. Thread Dia. | Color | Specifications Met | Each | |
55 | 475 | 1.25 | 10,000 | Not Rated to 300° | 4" | White | NSF/ANSI 61 | 000000 | 000000 |