LOCTITE 290
Harmonization Code : 3506.10.00.00 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

Main features
- Wicking-Grade Thread Application
- Low-Viscosity Threadlocking Application
- High-Strength Thread Retention
Product Description
LOCTITE® 290 is a medium to high-strength wicking-grade anaerobic threadlocker designed for post-assembly locking and sealing of preassembled threaded fasteners. Its low-viscosity formulation penetrates into threads by capillary action, making it ideal for fasteners that have already been tightened and assembled. The adhesive cures in the absence of air between closely fitting metal surfaces, preventing loosening and leakage caused by vibration, shock and dynamic loads. LOCTITE 290 also helps protect assembled fasteners against corrosion while providing reliable long-term retention in machinery, maintenance and industrial applications.
Key Features & Benefits
- Wicking-grade threadlocker for post-assembly applications.
- Penetrates preassembled threaded fasteners through capillary action.
- Helps prevent loosening caused by vibration and shock.
- Seals threads against leakage and corrosion.
- Low-viscosity formulation for easy penetration into fine threads.
- One-component anaerobic adhesive requiring no mixing.
- Suitable for maintenance, repair and production environments.
Recommended Applications
- Locking of preassembled fasteners.
- Set screws, instrument screws and electrical connectors.
- Maintenance and repair applications.
- Threaded assemblies requiring post-assembly locking.
- Industrial equipment exposed to vibration and dynamic loads.
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Physical Properties
Additional Information
As-Supplied / Before-Processing Properties
| Property | Value | Unit | Condition |
|---|---|---|---|
| Technology | Anaerobic Acrylic | — | Threadlocking adhesive |
| Color | Green | — | Liquid |
| Odor | Mild | — | Typical |
| Density | 1.07 | g/cm³ | 20°C |
| Flash Point | 131 | °C | Cleveland Open Cup |
| Boiling Point | >150 | °C | Typical value |
| Physical Form | Liquid | — | As supplied |
After-Processing / Final-State Properties
| Property | Value | Unit | Condition / Method |
|---|---|---|---|
| Threadlocker Strength | Medium to High | — | Cured anaerobic adhesive |
| Penetration Capability | Excellent | — | Wicking-grade formulation |
| Vibration Resistance | Excellent | — | Threaded fasteners |
| Leak Prevention | Yes | — | Seals threaded assemblies |
| Corrosion Protection | Yes | — | Protects threaded connections |
| Chemical Resistance | Good | — | Industrial oils and fluids |
| Service Performance | Long-Term Retention | — | Industrial threaded assemblies |





















