Description
LOCTITE® 680 is a green, high strength, anaerobic-curing retaining compound for the assembly and attachment of cylindrical fitting parts, particularly where low viscosity is required.
Hazard Information (CLP)
- Pack size: 250 ml bottle (Loctite no. 1988189)
Application
- The product prevents loosening and leakage from shock and vibration, and provides robust curing performance by curing on both active metals (e.g. mild steel) and passive substrates (e.g. stainless steel and plated surfaces), as well as slightly oiled or contaminated surfaces, without the need for a primer or cleaner.
Characteristics
- Low viscosity
- NSF/ANSI 61 certified up to 82°C (179.6°F)
- High strength and robust curing performance on inactive surfaces without primer
- Tolerates minor surface contamination
- Fluorescent under UV for quality control
Technical specifications
| Chemical Type | Methacrylate ester |
| Appearance (uncured) | Green liquid |
| Fluorescence | Positive under UV light |
| Viscosity | Medium |
| Cure | Anaerobic |
| Strength | High |
| Fixture time | 4 min |
| Full cure time, @ 22.0 °C | 24 hr. |
| Shear strength, Steel | 4000.0 psi |
| Specific gravity, @ 25.0 °C | 1.1 |
Hazard Classification
| Hazard Class | Hazard Category | Target Organ |
|---|---|---|
| Skin irritation | Category 2 | Skin |
| Serious eye damage/eye irritation | Category 1 | Eyes |
| Skin sensitizer | Category 1 | Skin |
| Target Organ Systemic Toxicant – Single exposure | Category 3 | Respiratory tract |
| Acute hazards to the aquatic environment | Category 2 | Aquatic ecosystems |
| Chronic hazards to the aquatic environment | Category 2 | Aquatic ecosystems |
Hazard Information (CLP)



Signal Word: Danger
Hazard Statements
- H315: Causes skin irritation.
- H317: May cause an allergic skin reaction.
- H318: Causes serious eye damage.
- H335: May cause respiratory irritation.
- H411: Toxic to aquatic life with long-lasting effects.
Precautionary Statements
Prevention:
- P261: Avoid breathing mist/vapors.
- P264: Wash hands thoroughly after handling.
- P271: Use only outdoors or in a well-ventilated area.
- P272: Contaminated work clothing should not be allowed out of the workplace.
- P273: Avoid release to the environment.
- P280: Wear protective gloves, eye protection, and face protection.
Response:
- P302+P352: IF ON SKIN: Wash with plenty of water.
- P304+P340+P312: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or physician if you feel unwell.
- P305+P351+P338+P315: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to remove. Continue rinsing. Get immediate medical advice/attention.
- P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
- P362+P364: Take off contaminated clothing and wash it before reuse.
- P391: Collect spillage.
Storage:
- P403+P233: Store in a well-ventilated place. Keep container tightly closed.
- P405: Store locked up.
Disposal:
- P501: Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Angelo –
Top product, would definitely recommend. Worth every cent. Arrived without any defect.
matthew_lee –
Easy to use and very practical.
sophie.ma –
The quality pleasantly surprised me.
Marvin –
Product as described.
Anna –
Easy to use, without making a mess. I was skeptical, but now I order regularly.
emma_paris –
Solved my problem completely! Packaging slightly damaged, but the product is excellent.
salvatore88 –
Very happy with the purchase, works great.
Federico N. –
Great value for money. Practical and useful. Everything perfect, would buy again. Excellent quality and price.
Jonas R. –
Worth every cent. Arrived on time and in excellent condition. Very practical and easy to use. Practical and useful.
Amelie –
No unpleasant smell, which I really appreciate.
evelyn_sky –
I was skeptical, but now I order regularly.
david_de –
Excellent-quality product. Delivery faster than expected. Great service, thank you. Very fast shipping.