Description
LOCTITE® AA 3491 is a clear, low yellowing, light-cured, universal, acrylic-based instant adhesive, suited to plastics and well suited to ceramics, glass and metals. It has a high, on-demand, curing speed.
- Pack size: 25 ml syringe (Loctite no. 1170398)
- Also avaible in 1 l bottle
Application
- Well suited to plastics, glass and metals
- Suitable for ceramics
Characteristics
- 1-part system
- High transparency and low yellowing
- Medium viscosity
Technical Information
| Chemical Type | Modified acrylate |
| Color | Clear |
| Depth of cure | 4.0 mm |
| Fixture time | 12.0 sec. |
| Key characteristics | Wavelength for Cure: UV |
| Shore hardness, D | 75.0 |
| Specific gravity, @ 25.0 °C | 1.03 |
| Tack free time | 15.0 sec. |
| Viscosity, Brookfield, @ 25.0 °C Spindle 2, speed 20 rpm | 750.0 – 1500.0 mPa·s (cP) |
Loctite AA3491, Loctite AA-3491
Hazards (CLP)


Signal word: Danger.
Hazard statements (H-statements)
- H314: Causes severe skin burns and eye damage.
- H317: May cause an allergic skin reaction.
Precautionary statements (P-statements)
Prevention:
- Do not breathe vapors, mist, or spray.
- Wash thoroughly after handling.
- Contaminated work clothing should not leave the workplace.
- Wear protective gloves, eye protection, and face protection.
Response:
- IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
- IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse skin with water/shower.
- IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- Immediately call a poison control center or physician.
- If skin irritation or rash occurs: Get medical attention.
- Wash contaminated clothing before reuse.
Storage:
- Store locked up.
Disposal:
- Dispose of contents and/or container in accordance with Federal, State/Provincial, and local governmental regulations.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Cecilia I. –
A friend recommended it and I’m so glad I ordered.
Maja –
I was skeptical, but now I order regularly. I was skeptical, but now I’ll order it regularly. Not too big, not too small, just right. Very effective, I noticed a change in just a week.
julie_75 –
Pleasant to use at home.
Zoé L. –
Very fast delivery, thank you. I was skeptical, but now I order regularly. Surprisingly good quality for the price. The quality pleasantly surprised me.
Savannah –
No unpleasant smell, which I really appreciate. Perfect for my needs; I couldn’t be happier. Very effective; I noticed a change in just one week. It completely solved my problem!
Thomas –
Everything perfect, thank you. Works perfectly. Exactly what I was looking for.
hunter23 –
Arrived as promised. Feels sturdy. Great purchase, thank you. Recommended.
Aaron X. –
Very good experience. Excellent quality. Excellent-quality product.
claudio_it –
Solid product, would buy again. Great item. No complaints.
Patrizia U. –
I was skeptical, but now I’ll order regularly.