LOCTITE® 638™ is designed for the bonding of cylindricalfitting parts, particularly where bond gaps can approach 0.25mm and where maximum strength at room temperature isrequired. The product cures when confined in the absence ofair between close fitting metal surfaces and prevents looseningand leakage from shock and vibration. Typical applicationsinclude locking bushings and sleeves into housings and on
shafts.
NSF International
Registered to NSF Category P1 for use as a sealant wherethere is no possibilty of food contact in and around foodprocessing areas. Note: This is a regional approval. Pleasecontact your local Technical Service Center for moreinformation and clarification.