Loctite® liquid thread sealants seal and secure metal pipes and fitting, the space between threaded metal parts, and hardening to prevent leakage.  Designed for low and high pressure applications, liquid thread sealants seal instantly for low pressure testing.  When fully cured, they seal to the burst strength of most piping systems.  The new innovative semi-solid stick formula offers added convenience and portability for general maintenance and hard to reach applications.

GENERAL PURPOSE

LOCTITE 564™  THREAD SEALANT

General Purpose
Cures rapidly to provide immediate low pressure sealing. Its lower strength allows easy disassembly, and is recommended even on larger (>2”) diameter pipes.  Protects mated threaded areas from rust and corrosion.

LOCTITE 565™  PST® THREAD SEALANT

Controlled Strength
Formulated specifically for metal, tapered pipe thread fittings, this product cures rapidly to provide immediate low pressure sealing.  Controlled lubricity prevents galling and protects from rust and corrosion.  Can be used on fittings up to 2” (50mm) in diameter.

LOCTITE 577™ THREAD SEALANT

Course Threads
Medium strength, general purpose sealant for use on coarse, threaded components.

LOCTITE 579™ THREAD SEALANT

Instant Seal
A general purpose pipe sealant that cures into a resistant plastic.  Excellent solvent resistance and withstands temperatures to 300°F (1490  C).  Sealing is effective on threaded joints up to 2” in diameter.

HIGH TEMPERATURE

LOCTITE 567™  PST® THREAD SEALANT

High  Temperature
This product has excellent solvent resistance, allow easy assemble, prevents galling, and call withstand temperatures up to 400°F.  Excellent for high pressure applications, it locks and seals tapered metal, pipe threads and fittings.  Ideal for stainless steel, aluminum. galvanized metal, and other inert metals.  Disassembles with hand tools.

LOCTITE 592™  PST® THREAD SEALANT

Slow Cure
Locks and seals threaded fittings.  Parts may be repositioned up to 24 hours after application.

HYDRAULIC SEALANT

LOCTITE 542™ THREAD SEALANT

Fine Threads
A liquid sealant recommended for sealing the fine threads of hydraulic and pneumatic connectors.

LOCTITE 545™ THREAD SEALANT

Hydraulic/Pneumatic Fittings
Contains no fillers or particles which could contaminate system fluids, foul valves, or clog fine filters and screens.  Suitable for fittings up to 2” (50 mm) in diameter.  Excellent solvent resistance.

LOCTITE 569™ THREAD SEALANT

Hydraulic Fittings
Low viscosity original hydraulic sealant.  Designed for sealing fine threaded hydraulic fittings.  Contains no fillers and has good chemical resistance.

NUCLEAR GRADE/ LOW HALOGEN

LOCTITE 580™ PST®  THREAD SEALANT

Low Sulfur
For threaded fittings in fossil fuel, solar and hydro plant piping systems.

LOCTITE 5772™  THREAD SEALANT

Low Sulfur
A medium strength thread sealant with fast curing properties.  Especially developed for use on sensitive metals, like Titanium, used in the Nuclear Industry.  Parts can be separated using hand tools.

LOW STRENGTH

LOCTITE 560™  THREAD SEALANT

Low Strength
Designed for sealing of metal pipes and fittings.  This product seals instantly for low pressure testing.  It can be easily removed on large pipe assemblies.

LOCTITE 572™  THREAD SEALANT

Low Strength
Low strength sealant with moderate fixture speed for use on course threads.

CHEMICAL RESISTANCE

LOCTITE 554™  THREAD SEALANT

Refrigerant Sealant
Excellent solvent resistance on threaded fittings and pipes up to 3” in diameter.  Recommended for refrigeration systems and service with aggressive chemicals.

LOCTITE 571™  THREAD SEALANT

Chemical Resistance
Medium strength thread sealant designed for locking and sealing against corrosive products.  Shows excellent strength after long exposures to many chemicals.

SEMI-SOLID STICK

LOCTITE QUICKSTIX™ 561™ PST® PIPE SEALANT
New, patented, semi-solid stick formula offers added convenience and portability.  Like Loctite 565™ PST®, this product has immediate low pressure sealing, eases disassembly, and will not contaminate or clog lines.  The semi-solid formula also means it won’t spill or leak, making it great for overhead applications or carrying in a pocket or toolbox.

GEL

LOCTITE TIGHT® MULTI-PURPOSE ANAEROBIC GEL

This product seals, locks, and retains.  It seals against most liquids and gases and works well on course threads, large gaps, and all overhead applications.

SOLVENT BASED

LOCTITE  THREAD SEALANT WITH PTFE

A general purpose sealant with the added lubricity of PTFE for metal pipes.  Won’t shred like tape and allows easy disassembly.  Resists common shop fluids.

LOCTITE PIPE JOINT COMPOUND

Economical, general purpose pipe thread sealant that will not shred like tape and allows easy disassembly.  Resists common shop fluids.

LOCTITE NO MORE LEAKS™ PLASTIC PIPE SEALANT

Seals plastic pipes and allows easy disassembly.  Specially formulated without the added lubricity of PTFE to avoid typical cracks when plastic joints are tightened.

LOCTITE  H.V.A.C. BLUE PIPE JOINT COMPOUND

Tough, pliable sealant specially formulated for heating, air conditioning, and refrigeration applications.  Sets up quickly for immediate assembly and to keep joints tight in areas of high vibration and thermal cycling.  Seals oils, refrigerants, butane, propane, natural gas, and more.  Easy cleanup.

NON-CURING

LOCTITE THREAD SEAL TAPE WITH PTFE

½” X 520”tape with plastic spool and shell.  Can be used in applications with temperatures up to 500°F. Oxygen service compatible

LOCTITE 55™  PIPE SEALING CORD

A general purpose threaded pipe and fitting sealant.  A non-curing, coated multifilament cord that seals out air and other common gases and fluids. Recommended for sealing metal and plastic tapered pipe fittings up to 4” NPT.  Allows for post assembly adjustments.