I am able to find that the class for materials that can be in contact with wine (~10-15% alcohol by volume) is called Class VI-A and Class VI-C, but I am not able to find a list of materials that are approved for those classes. Does anyone have experience with navigating the FDA for a list of materials that are approved for a certain class of use?
https://www.fda.gov/RegulatoryInformation/Guidances/ucm081818.htm