how to clean brushed aluminum faceplate?


what should i use? faceplate is silver brushed aluminum and there's some black gooey stuff on it, seems like it'd come off but i haven't had luck so far.. tried warm water and a rag, didnt really work... goo gone maybe? thanks in advance
mrkoven
Ignore any cleaning tips that appear in this thread and ask the manufacturer (of the brushed aluminum faceplate, not the black crap).
A well respected manufacturer told me they clean their gear w/Windex. I've been using Windex for 5+ yrs. & never had a problem & the gear always looks better.