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.
- Pack size: 50 ml bottle (Loctite no. 88578)
- Also available in: 250ml 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






olivia_jane –
Not too big, not too small, perfect.
Amelia T. –
Very satisfied, better than I expected.
riccardo_it –
Everything excellent. Fits perfectly.
david_89 –
Good customer service. Great customer support. Exactly what I needed. Very good build quality.
Stéphane –
No complaints so far. Highly recommended. Very happy with the purchase, works great.
Abigail E. –
Super fast delivery, thank you. Easy to use, no mess at all. The quality surprised me in a good way.