Thread Sealants For Concrete

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15 Products

About Sealant Flexibility

These sealants have high locking strength, so they work in demanding applications, such as securing mounting studs in motor housings. They also withstand applications with large temperature swings.

Heat cure sealant requires heat of at least 212° F to harden. Above 300° F, the sealant hardens in about 15 minutes. For temperatures below 300° F, it may take up to 4 hours to harden. It requires both heat and a hand tool to unthread.

1500° F max. temp. sealants are for use on cement-lined pipe joints prior to welding. The heat from the welding torch helps them begin to harden.

Sealants that cannot be sold to the listed regions are restricted due to VOC (Volatile Organic Compounds) regulations.

	Container				Max. Pressure, psi
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	Specifications Met	For Use On	Color		Each
Medium Locking Strength
Heat Cure Loctite® Sealants
5540	16	Can	10 sec.	12 hrs.	2,900	2,900	-40° to 1300°	4"	Thin Liquid	MIL-S-15204	Aluminum, Brass, Bronze, Iron, Stainless Steel, Steel, Titanium, Cast Iron, Galvanized Iron, Galvanized Steel, Metal, Tin, Pipe, Concrete	Brown	00000000	0000000
5550	32	Can	10 sec.	2 hrs.	5,000	5,000	-40° to 1500°	6"	Paste	MIL-S-15204	Aluminum, Brass, Bronze, Iron, Stainless Steel, Steel, Titanium, Cast Iron, Galvanized Iron, Galvanized Steel, Metal, Tin, Concrete	Brown	00000000	000000

High-Density Thread Sealant Tape

This tape has a higher density than standard tape for a better seal between threads. Made of PTFE, it has a slippery surface that keeps threads from binding to make parts easy to assemble.

			Max. Pressure, psi							Each
Wd.	Lg., yd.	Density, g/cm³	For Fluids	For Gases	Temp. Range, °F	For Max. Thread Dia.	Specifications Met	Color		1-11	12-Up
PTFE
0.0035" Thick.
1/4"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	000000	00000
3/8"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	00000	00000
1/2"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	00000	00000
3/4"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	00000	00000
1"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	00000	00000
1 1/2"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	00000	00000
2"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-T-27730 FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed MIL-A-A-58092 Type II	White	0000000	00000	00000

			Max. Pressure, psi							Each
Wd.	Lg., yd.	Density, g/cm³	For Fluids	For Gases	Temp. Range, °F	For Max. Thread Dia.	Specifications Met	Color		1-11	12-Up
PTFE with Nickel Filler
0.004" Thick.
1/4"	14	1.9	10,500	11,500	-450° to 550°	6"	FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	000000	000000
3/8"	14	1.9	10,500	11,500	-450° to 550°	6"	FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
1/2"	14	1.9	10,500	11,500	-450° to 550°	6"	FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
3/4"	14	1.9	10,500	11,500	-450° to 550°	6"	FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
1"	14	1.9	10,500	11,500	-450° to 550°	6"	FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
2"	14	1.9	10,500	11,500	-450° to 550°	6"	FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000

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About Sealant Flexibility

High-Temperature Thread Sealants

High-Density Thread Sealant Tape