Henkel Loctite 640 Retaining Compound is a low viscosity, high strength acrylic adhesive designed for bonding cylindrical fitting parts. It prevents loosening and leakage from shock and vibration. This product complies to MIL-R-46082. 50 mL Bottle.
| Typical Use: | Used for bonding cylindrical parts; typical applications include retaining keys and splines, eliminating backlash in worn assemblies, retaining bearings in place - preventing spin out. |
| Chemical Composition: | Urethane methacrylate |
| Color: | Green |
| Components: | 1 part |
| Cure System: | Anaerobic |
| Cure Time: | Up to 48h depending on the substrate used, the bondline gap, and the temperature. |
| Flash Point: | >93.3 °C |
| Key Specifications: | Mil-R-46082B |
| Specific Gravity: | 1.2 @ 25 °C |
| Thermal Conductivity: | 0.1 W/mK |
| Viscosity: | 450 to 700 @ 25 °C |