All 3M epoxies have date codes on the back of the tubes. Since some are 2 part epoxy, each tube has its own date code. The image below will show you how to decipher that information.
All 3M epoxies have date codes on the back of the tubes. Since some are 2 part epoxy, each tube has its own date code. The image below will show you how to decipher that information.