| Agency Approvals | Mil-R-46082B, ASTM D5363 | 
| Chemical Basis/Base | Methacrylate | 
| Color | Green | 
| Fixture Time | 1 ~ 2 Hours | 
| Suitable For | Metal, Steel, Stainless Steel, Aluminum | 
| Typical Use | Slow Cure for Long Assembly Time | 
| Strength | High Strength | 
| Viscosity | 450 ~ 750 mPa·s (cP) Brookfield | 
| Products Type | Industrial Adhesives, Retaining Compounds | 
| Technology Names | Acrylates, Anaerobic Cure | 
LOCTITE® 640 RETAINING COMPOUND is a Green, Anaerobic, Low Viscosity, Methacrylate Ester Based Retaining Compound ideal for Parts Requiring a Longer Positioning Time.
Fixturing Time on Steel is 2 Hours. Also used for Active Metals such as Brass.
This is a High Strength product with Good Temperature Resistance.
Max. Diametrical Clearance is 0.1mm and Service Temperature is -55 to +175ºC.
Fluorescence Allows Product Presence to be Monitored.