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.
A medium viscosity retaining compound that resists temperatures up to 400ºF
Applicable to most metals
Shear Strength : 3000 psi
Size: 50 ML
Capability: Medium Strength / High Temperature
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
Components: 1 part
Cure System: Anaerobic
Cure Time: Up to 48h depending on the substrate used, the bondline gap, and the temperature.
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.