Description
LOCTITE® 542 is designed for the locking and sealing of metal pipes and fittings as well as other cylindrical metal assemblies. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. The thixotropic nature of LOCTITE 542 reduces the migration of liquid product after application to the part.
- Pack size: 10 ml bottle (Loctite no. 135483)
- Also available in: 50 ml bottle, 250 ml bottle
Application
- Ideal for fine threads as used in hydraulic, pneumatic & general fittings
Characteristics
- Instant low-pressure seal
- Suitable for metal threads only
- Resistant to fuel, oil, coolants and hydraulic fluids
- Locks connection against vibration loosening
- DVGW approval (EN 751-1): NG-5146AR0855
Technical specifications
| Agency Approvals / Specifications | DVGW, WRAS |
| Breakaway Torque, Steel M10 | 15.0 N·m (130.0 in./lb. ) |
| Colour | Brown |
| Operating Temperature | -55.0 – 150.0 °C (-65.0 – 300.0 °F ) |
| Viscosity, 20 RPM | 600.0 mPa·s (cP) |
Hazard Information (CLP)

Signal word: Warning
Hazard Statements (H-Sentences)
- H319: Causes serious eye irritation.
- H335: May cause respiratory irritation.
- H412: Harmful to aquatic life with long lasting effects.
Precautionary Statements (P-Sentences)
Prevention:
- P261: Avoid breathing vapor/aerosol.
- P273: Avoid release to the environment.
Response:
- P337+P313: If eye irritation persists: Get medical advice/attention.
Supplementary Information
Contains: Methyl methacrylate, may produce an allergic reaction.
Storage and Disposal
Dispose of contents/container in accordance with national regulations.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






cedric_fr –
Great purchase, thank you. Easy to assemble. Very practical and easy to use. Fast and reliable.
pietro88 –
Very good build quality. Fits perfectly. No complaints so far. Punctual service.
tim_88 –
Arrived without any defect. Everything as expected. Very happy with the purchase, works great.
Ellie B. –
I noticed the difference right away!
Giulio F. –
No complaints so far. Better than I thought; I’m satisfied. Fast shipping, perfect product. Feels durable and well built.
Julius A. –
Works flawlessly. Delivers what it promises. Great customer support. Very durable.
Liam –
As expected, top-notch. Great service, thank you. Delivers what it promises. Great purchase, thank you.
evelyn_sky –
I was skeptical, but now I order regularly. It completely solved my problem!
Elena J. –
Surprisingly good quality for the price. Feels nice to use at home. Not too big, not too small, just right.
Eva F. –
Perfect for my needs; I couldn’t be happier. Packaging was slightly damaged, but the product is excellent. I was skeptical, but now I’ll order it regularly. Not too big, not too small, just perfect.
Natalie L. –
Better than anything else I’ve tried before.