Description
LOCTITE® 640 is a green, anaerobic, low viscosity, methacrylate ester-based retaining compound ideal for parts requiring a longer positioning time. Fixturing time on steel is 2 h. Also used for active metals such as brass. This is a high strength product with good temperature resistance. Max. diametrical clearance is 0.1 mm and service temperature is -55 to +175ºC. Fluorescence allows product presence to be monitored.
- Pack size: 250 ml bottle (Loctite no. 601401)
- Also available in: 50ml bottle
Application
- Ideal for large diameter components
- Also for active metals such as brass
Characteristics
- 1-part product, requires no mixing
- Slow curing
- High strength
- Good temperature resistance
Technical Information
| Chemical Basis / Base | Methacrylate |
| Colour | Green |
| Diametrical Clearance | <0.1 mm |
| Fixture Time | 2.0 hr. |
| Shear Strength | 22.0 N/mm² |
| Substrates | Metal: Steel |
| Viscosity, Falling Ball ‘D’ @ 25.0 °C | 450.0 – 750.0 mPa·s (cP) |
Hazard Information (CLP)
Signal word: Danger
Hazard Statements (H-phrases)
- H315: Causes skin irritation.
- H317: May cause an allergic skin reaction.
- H318: Causes serious eye damage.
- H335: May cause respiratory irritation.
- H412: Harmful to aquatic life with long lasting effects.
Precautionary Statements (P-phrases)
Prevention:
- P261: Avoid breathing vapors.
- P273: Avoid release to the environment.
- P280: Wear protective gloves/eye protection.
Response:
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P302+P352: IF ON SKIN: Wash with plenty of soap and water.
- P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
For Consumer Use:
- P101: If medical advice is needed, have product container or label at hand.
- P102: Keep out of reach of children.
- P501: Dispose of contents/container in accordance with national regulation.
Additional Information
No additional hazards if used properly.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com
Aria M. –
Surprisingly good quality for the price. Not too big, not too small, perfect. It completely solved my problem! No unpleasant smell; I really like that.
Maddalena –
Very fast delivery, thank you. Excellent product, worth every cent.
Bianca –
It completely solved my problem!
ines_belle –
No unpleasant smell; I really like that. Easy to use, no mess at all. No unpleasant smell, which I really appreciate. Very satisfied, it’s even better than I expected.
William –
Durable product.
isabelle75 –
The quality pleasantly surprised me.
Zoé –
Very satisfied, better than I expected.
michele88 –
Perfect for what I needed. Excellent quality. Great purchase, thank you.
Alexander L. –
Clear recommendation.
hannes_s –
Just as it should be. Fast and courteous service. Everything perfect, thank you. No issues at all so far.
Harper K. –
Pleasant to use at home. No unpleasant smell, which I really appreciate. I’ve been using it for 2 weeks and already see results! This solved my problem completely!
isabella.xo –
Surprisingly good quality for the price.
Johanna –
Packaging slightly damaged, but the product is excellent.
alessia_roma –
Easy to use, without making a mess.