Description
LOCTITE® 566 is a brown, dimethacrylate ester acrylic liquid thread sealant for the sealing of metal pipes and fittings.
- Pack Size: 50ml bottle (Loctite no. 135490)
- Also available in: 250ml bottle
Application
- Designed for the sealing of metal pipes and fittings
- Seals against water, oil and most common organic materials
Characteristics
- Medium viscosity
- Low strength
Technical specifications
| Color | Brown |
| Mix | No Mix Required |
| Strength | Low Strength |
| Viscosity | Medium Viscosity |
| Number of Components | 1 Part |
| Physical Form | Liquid |
| Technology | Acrylic |
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 vapors.
- P273: Avoid release to the environment.
Response:
- P337+P313: If eye irritation persists: Get medical advice/attention.
Storage and Disposal
Dispose of contents/container in accordance with national regulation.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Dominik U. –
Solid build quality. Exactly what I needed. Received quickly.
Aaron X. –
Good customer service. Excellent quality.
Luis –
Fits perfectly. Great purchase, thank you. Reliable and stable.
Elena –
Easy to use, without making a mess.
Elijah P. –
Excellent material. Everything as described.
max_de –
Delivered earlier than expected. Works great. Fast and courteous service.
Carter –
Easy to assemble. Would buy again.
ines_belle –
Very effective, I noticed a change in just a week.
samuel_xo –
Delivered earlier than expected. Very functional. Easy to assemble.
lucy_sun –
Been using it for 2 weeks and already see results! Pleasant to use at home.
elena_h –
Packaging was slightly damaged, but the product is excellent.
Filippo L. –
Excellent quality.
Ruby C. –
Very effective; noticed a change after just one week. Better than anything else I’ve tried before.
finn_88 –
Everything was smooth and fast. Good quality at a fair price. Everything’s great.
Audrey –
Packaging was slightly damaged, but the product is excellent. Easy to use, no mess at all.