What's its specialty? Open the bottle and use it.

I always have a bottle around and for plastics its great. I have used it on wood too and it's never failed. Not for boat building but other projects. I recently did some work with polyurethane wood and had to glue some joints and the Gorilla was like a weld. I personally think the expanding aspect and foaming action is just an unfortunate side effect of the chemical properties and not a planned chemical effect. I use it without adding moisture and for the uses I needed it for, it was very strong. Not a substitute for epoxy but a simple "out-of-the-bottle, no-mixing glue that is perfect for plastics as well as a lot of other things.

It even works with metal and won't be bothered by water.