Description
LOCTITE® 4902 is a clear, colourless, 1-part, highly flexible cyanoacrylate liquid adhesive designed for the assembly of flexible medical devices. It facilitates the use of dissimilar and opaque substrates while improving device performance.
- Pack size: 20 g bottle (Loctite no. 1904278)
- Also available in: 454 g bottle
Applications
- High strength – bonds to plastics, rubbers, metals and more
- ISO 10993 biocompatible – for the assembly of disposable medical devices
Characteristics
- High flexibility – elongations up to 155%
- High strength
- Speed – fixtures in seconds
- Offers significant performance enhancements compared to standard cyanoacrylates
Technical specifications
| Technology | Cyanoacrylate |
| Chemical Type | Ethyl and octyl cyanoacrylate |
| Appearance (uncured) | Clear colorless liquid |
| Operating Temperature | -40 – 82 °C |
| Viscosity | 200 mPa·s (cP) |
| Fixture Time | 5-45 sec |
| Gap Fill | 0.12 mm |
| Shear Strength, Mild Steel (grit blasted) | 12 N/mm² (1500 psi ) |
| Application | Assembly of disposable medical devices |
| Key Substrates | Plastics, Rubbers and Metals |
Hazard Statements (CLP)

Signal word: Warning.
Hazard Statements (H-Statements)
- H227: Combustible liquid.
- H320: Causes eye irritation.
- H335: May cause respiratory irritation.
Precautionary Statements (P-Statements)
Prevention:
- P210: Keep away from heat, sparks, open flames, hot surfaces. No smoking.
- P261: Avoid breathing vapors, mist, or spray.
- P264: Wash thoroughly after handling.
- P271: Use only outdoors or in a well-ventilated area.
- P280: Wear protective gloves, eye protection, and face protection.
Response:
- P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P337+P313: If eye irritation persists: Get medical attention.
- P370+P378: In case of fire: Use foam, dry chemical, or carbon dioxide to extinguish.
Storage:
- P403+P233: Store in a well-ventilated place. Keep container tightly closed.
- P235: Keep cool.
- P405: Store locked up.
Disposal:
- P501: Dispose of contents/container in accordance with national regulations.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






chiara_sun –
Great product, worth every cent. I was skeptical, but now I’ll order regularly. Super fast delivery, thank you. Looks even nicer in real life.
anthony99 –
Everything perfect, thank you. Durable product.
Isabella O. –
A friend recommended it to me and I’m thrilled with the purchase. I noticed the difference right away! No unpleasant smell, which I really appreciate.
greta_b –
No unpleasant smell; I really like that. This solved my problem completely!
chloe_rose –
Looks even nicer in person.
sophia.de –
This solved my problem completely! Very satisfied, better than I expected. I’ve been using it for 2 weeks and already see results! Packaging was slightly damaged, but product is excellent.
Liam –
Product as expected. Super value for the money. Very satisfied with the purchase.