Thread-locking compounds made by Loctite, Permatex and other companies all work pretty much the same: they are anaerobic compounds that cure/harden in the absence of oxygen. If you apply ...

According to Loctite’s manufacturer, Henkel, Loctite (loctiteproducts.com) does go bad. The technical data sheets of both thread-locker 271 (red) and 242 (blue) say that the shelf life of each is 24 ...