I suspect these hinges are not CA hinges but instead the creased plastic types that was almost universal with early ARF's and some kits. These are non porus like the plastic pin hinges and are installed with epoxie, CA will not work. They are not very durable and I would suggest not using them if that is what you have.

True CA hinges are great and all brands are made of a very porus like material and they should only be installed with Thin CA, never anything else.

John