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Container Type Container Type |
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![]() | Tube |
Locking Strength Locking Strength |
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Manufacturer Model Number ManufacturerModel Number | Show |
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Manufacturer Model Number ManufacturerModel Number | Hide |
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Manufacturer Manufacturer |
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For Use With For Use With |
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For Use On For Use On |
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Color Color |
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![]() | Yellow |
Type Type |
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Mixing Required Mixing Required |
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Reaches Full Strength Reaches Full Strength |
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Cure Type Cure Type |
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Consistency Consistency |
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Begins to Harden Begins to Harden |
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Maximum Pressure for Gases Maximum Pressure for Gases |
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For Use Outdoors For Use Outdoors |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Clarity Clarity |
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Container Size Container Size |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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Maximum Pressure for Fluids Maximum Pressure for Fluids |
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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 medium locking strength prevent threads from loosening due to vibration and shock. They require a hand tool to unthread.
Container | Max. Pressure, psi | |||||||||||
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Mfr. Model No. | Size, fl. 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 | ||||||||||||
577 | 1.7 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3 1/8" | Paste | Yellow | 00000000 | 000000 |
577 | 8.5 | Tube | 10 sec. | 24 hrs. | 10,000 | 10,000 | -65° to 300° | 3 1/8" | Paste | Yellow | 0000000 | 00000 |