Answer
Mar 07, 2022 - 09:58 AM
It looks like new oil but it is hard to tell because it also looks like many stains that may have oils in them. I would recommend a small test see if SealGreen Oil Cleaner Degreaser will work and then a small test with Gray-Out. Cannot tell for sure.
How to use SealGreen Oil Cleaner Degreaser:
How to use SealGreen Gray-Out Waterless Oil Cleaner:
Source: SealGreen Website
