How to care for matte Black??

On my 72 Demon 340 it looks like I'm going be bringing it home from Paint Prison in a few weeks. I was just curious on how you care for the "Matte Black" that they use on the center part of the hood and scoops. I'm told I should not wax it so is there anything to use to protect it? Any polish or special cleaner ect.

Thanks
Tom