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For Use With For Use With |
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Cure Type Cure Type |
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Maximum Pressure for Fluids Maximum Pressure for Fluids |
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Maximum Pressure for Gases Maximum Pressure for Gases |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Certificate Certificate |
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![]() | Material Certificate with Traceable Lot Number and Product Shelf Life |
About Sealant Flexibility
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About Structural Adhesives
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Drip-Free Non-Hardening Thread Sealants with PTFE

Apply these thread sealant sticks without a mess. They contain PTFE, which 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. They meet NSF/ANSI 61 for use with drinking water.
Container | Max. Pressure, psi | ||||||||||
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Net Weight, oz. | Type | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Specifications Met | Environment | Color | Each | |
Low Locking Strength | |||||||||||
Slic-Tite Sealants | |||||||||||
1.2 | Stick | 5,000 | 500 | -50° to 350° | 2" | Semi-Solid | NSF/ANSI 61 | Food Industry | White | 0000000 | 000000 |
Sealants | |||||||||||
1.3 | Stick | 2,000 | 350 | -50° to 350° | 2" | Semi-Solid | NSF/ANSI 61, UL Listed | Food Industry | Off-White | 0000000 | 0000 |
4 | Stick | 2,000 | 350 | -50° to 350° | 2" | Semi-Solid | NSF/ANSI 61, UL Listed | Food Industry | Off-White | 0000000 | 0000 |
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 ORDER HISTORY after your order ships.
Container | Max. Pressure, psi | ||||||||||||
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Mfr. Model No. | Net Weight, 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 |
Drip-Free Non-Hardening Thread Sealants

Apply this thread sealant stick without a mess. Often used in high-vibration applications that could cause standard thread sealants to fail, this sealant never fully hardens and remains pliable enough to self-heal and stop leaks before they start. It has low locking strength, so it can be adjusted without tools.
Container | Max. Pressure, psi | ||||||||
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Net Weight, oz. | Type | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Color | Each | |
Low Locking Strength | |||||||||
1.3 | Stick | 500 | 300 | -50° to 250° | 2" | Semi-Solid | Off-White | 0000000 | 00000 |
Retaining Compounds for Close-Fitting Parts

Fill gaps up to 0.01" to secure unthreaded cylindrical metal parts such as shafts, bearings, and press-fit assemblies. These retaining compounds begin to harden once coated surfaces are pressed together, blocking exposure to air.
Primer (sold separately) cleans the surface and decreases the time to reach full strength. It is recommended when working with aluminum, stainless steel, and titanium; black-oxide finishes, and cadmium and zinc coatings.
Container | ||||||||||||
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Mfr. Model No. | Net Weight, oz. | Type | Max. Gap Size Filled | Begins to Harden | Reaches Full Strength | Temp. Range, °F | Consistency | Viscosity, cP | Shear Strength, lbs./sq. in. | Color | Each | |
Medium Locking Strength | ||||||||||||
Loctite® Retaining Compounds | ||||||||||||
668 | 0.67 | Stick | 0.005" | 30 min. | 24 hrs. | -65° to 400° | Paste | Not Rated | 1,015 | Green | 0000000 | 000000 |