epoxy as a lacquer substitute?

http://www.resinresearch.net/

Is the answer. Or a possible answer. What is the question? The question is: what might we use in the US or "west" as opposed to traditional Asian lacquer from the tree or cashew lacquer which apparently is not available any more from Japan. Acc. to a friend who is a luthier of the bass making kind - especially fretless bass - the answer is some form of epoxy. Especially if it is engineered to be a bit tough in terms of UV radiation. A clear epoxy in particular is something to think about. So perhaps your guqin can double as a surfboard?