How do you restore nitrocellulose lacquer?
If the nitrocellulose lacquer on your tabletop is too faded, checked or otherwise damaged to save, strip the old finish with chemical stripper. After stripping, sand the wood with a palm sander and 120-grit sandpaper, then make any needed repairs such as filling holes or gluing split wood.
How do I protect my nitro finish guitar?
The best thing to do if you have a nitro-finished guitar is to only use stands or hangers that specifically state they are safe for nitrocellulose finishes. When in doubt, simply place a cloth between your guitar and the stand or hanger.