Description
LOCTITE® 221 is a purple, low strength, 1-part low-viscosity liquid threadlocker ideal for locking small diameter screws and long engagement length fasteners.
- Pack size: 50 ml bottle (Loctite no. 135331)
- Available as well in 10 ml bottle
Application
- It prevents small screws from loosening due to shock and vibration, while still allowing for easy disassembly at room temperature without shearing the screw.
- For use on all metal fasteners up to M12, including steel, brass and stainless steel.
Characteristics
- Suitable for steel, stainless steel and brass
- Designed for small thread sizes
- Low strength
- Low viscosity
Technical Specifications
| Chemical basis / base | Methacrylate |
| Color | Purple |
| Fixture time | 20.0 – 210.0 min |
| Viscosity, Brookfield – RVT, @ 25.0 °C Spindle 1, speed 20 rpm | 100.0 – 150.0 mPa·s (cP) |
| Fluorescence | Positive under UV light |
| Strength | Low |
Hazard Information (CLP)
Signal Word: Warning
Hazard Statements (H-Statements)
- H319: Causes serious eye irritation.
- H335: May cause respiratory irritation.
- H412: Harmful to aquatic life with long lasting effects.
Prevention (P-Statements)
- P261: Avoid breathing vapors.
- P273: Avoid release to the environment.
Response
- P337+P313: If eye irritation persists: Get medical advice/attention.
Additional Labeling (EUH-Statements)
- P101: If medical advice is needed, have product container or label at hand.
- P102: Keep out of reach of children.
- P501: Dispose of waste and residues in accordance with local regulations.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com
Liam –
Excellent quality and price. Fast delivery, good workmanship.
Charlotte –
A friend recommended it; I’m very happy with the purchase.
Samantha –
Surprisingly good quality for the price. It completely solved my problem! Better than anything I’ve tried before.
Katherine –
Really noticed a difference after using it! A friend recommended it to me and I’m thrilled with the purchase. Not too big, not too small, just perfect. Surprisingly good quality for the price.
paul_fr –
Excellent packaging. Everything went smoothly.
Chloé –
Very fast delivery, thank you. Pleasant to use at home. Excellent product, worth every cent. Solved my problem completely!
paul_fr –
Very satisfied with the purchase. Well made and durable.
zoe_paris –
This solved my problem completely! I noticed a difference after a short time!
Martina –
I’ve been using it for 2 weeks and already see results!
Pierre J. –
No complaints. Perfect from start to finish. Very easy to use.
Marco –
Simple to install. Met my expectations. Top quality, fast delivery.
Anna W. –
Been using it for 2 weeks and already see results! Very effective, I noticed a change in just a week.
ginevra_b –
I’ve been using it for 2 weeks and I already see results! The quality pleasantly surprised me.