Foam-Tac is a type of foam-safe contact cement that is designed specifically for foam. Manufactured by Beacon Adhesives in New York. It stays flexible after its dry, so it can be used to make hinges but it also works really well for general construction. It can be used on balsa and carbon-fiber as well as foam, and has many other uses as well.
Foam tac is really popular and this sale includes two tubes. Save a little postage by not having to order another tube later on. Shelf life is excellent since there is not air inside the tube. Regarding shelf life: Here’s a famous quote: