If you’re not carrying some kind of epoxy bonder or filler, you should be.
A repair done properly using epoxy putties like those from J-B Weld is rock-solid reliable.
J-B Weld is an American company which specialises in high-temperature epoxy adhesive for use in bonding materials together. There’s plenty of companies offering this type of product, but J-B Weld was good enough to send us some to fool around with, and to make an expert available to help us with a few queries.Most adventure riders would be familiar with the concept of an epoxy bonding agent. Araldite is probably the best-known.