LOCTITE® 680™ is designed for the bonding of cylindricalfitting parts, particularly where low viscosity is required. Theproduct cures when confined in the absence of air betweenclose fitting metal surfaces and prevents loosening andleakage from shock and vibration. NSF International Certified to ANSI/NSF Standard 61 for use in commercial andresidential potable water systems not exceeding 82° C. Note:This is a regional approval. Please contact your local TechnicalService Center for more information and clarification.
