Which materials is Loctite 5400 suitable for?

It is designed for locking and sealing all metal threaded pipes and fittings up to M80/R3", including steel, stainless steel, brass, and aluminium.

What does the H&S designation mean?

H&S stands for Health & Safety; the formulation carries no hazard symbols, risk or safety phrases, making it safer to handle in the workplace.

What strength level does this thread sealant provide?

Loctite 5400 is a medium-strength sealant. It prevents loosening from vibration while still allowing disassembly with standard hand tools.

What is the operating temperature range for Loctite 5400?

The cured sealant withstands temperatures from -55 °C to +150 °C and has a flash point above 100 °C.

Which fluids is the cured sealant resistant to?

Once cured, it is resistant to fuel, oil, coolants, and hydraulic fluids.

LOCTITE 5400 thread sealant (50 ml bottle) - 1953597

Name: LOCTITE 5400 thread sealant (50 ml bottle) - 1953597
Brand: LOCTITE
SKU: 02285993
Price: 31.4 EUR
Availability: InStock

Supplier number: LOCTITE 1953597 | EAN 5010266010090

Recommended Retail Price €39.85

31.40 tax incl.

€25.95 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 17/11/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Reliable sealing with Loctite 5400

Practical benefits

Dependable leak-free metal joints: You lock and seal threaded metal pipes effectively, preventing loosening and fluid leakage caused by continuous vibration.
Cleaner and safer handling: You improve workplace safety with a hazard-symbol-free formula while the thixotropic paste prevents migration after application.
High chemical fluid resistance: You ensure durable seals across pipework thanks to robust resistance against fuels, oils, coolants, and hydraulic fluids.

In a nutshell

The right choise for

With Loctite 5400 thread sealant, you reliably lock and seal metal pipes and threaded connections against leaks, shocks, and vibrations. Suitable for metals such as steel, stainless steel, brass, and aluminium up to M80/R3", its thixotropic consistency prevents unwanted dripping during assembly. The dedicated Health & Safety formulation contains no hazard symbols, ensuring safer handling across maintenance and installation tasks. Once cured, this medium-strength sealant withstands fuels, oils, coolants, and hydraulic fluids across a temperature range of -55 °C to +150 °C, while still allowing straightforward disassembly with standard hand tools.

Product information FAQ

€31.40

In stock - tax incl.

Key features according to our expert

Net volume: 50 ml
Relative density: 1,1
ADR packing group: Not applicable
UN number: Not applicable
ADR class: Not applicable
Physical state: Liquid
Flash point: > 100 °C

Product description:

LOCTITE 5400 - Thread Sealant - Health and Safety - Henkel
LOCTITE 5400 is designed for the locking and sealing of metal pipes and fittings as well as other cylindrical metal assemblies.
It ensures an instant, low-pressure seal for metal pipes and fittings at low temperatures.
Will not creep, shrink or block systems by shredding.
Its key differentiator is the "White" Material Safety Data Sheet.
LOCTITE 2400 carries no hazard symbols, risk or safety phrases and does not contain any declarable carcinogens, mutagens or reproductive toxins.

All Features

Net volume: 50 ml
Relative density: 1,1
Adr packing group: Not applicable
Un number: Not applicable
Adr class: Not applicable
Physical state: Liquid
Flash point: > 100 °C

Brand LOCTITE
02285993
EAN 5010266010090
Supplier number LOCTITE 1953597

Frequently asked questions about this product

Answered by specialists

Which materials is Loctite 5400 suitable for?: It is designed for locking and sealing all metal threaded pipes and fittings up to M80/R3", including steel, stainless steel, brass, and aluminium.
What does the H&S designation mean?: H&S stands for Health & Safety; the formulation carries no hazard symbols, risk or safety phrases, making it safer to handle in the workplace.
What strength level does this thread sealant provide?: Loctite 5400 is a medium-strength sealant. It prevents loosening from vibration while still allowing disassembly with standard hand tools.
What is the operating temperature range for Loctite 5400?: The cured sealant withstands temperatures from -55 °C to +150 °C and has a flash point above 100 °C.
Which fluids is the cured sealant resistant to?: Once cured, it is resistant to fuel, oil, coolants, and hydraulic fluids.