u/AMetalWolfHowls

I have a wrapped car with road grime embedded and have not had much luck cleaning it up.

So far I tried KC Green Star pre wash at 12:1, 4 minute dwell, followed by a rinse, then Adam’s Mega Foam and a bucket wash. A normal mitt didn’t remove any of the embedded road grime, so I tried a synthetic clay sponge. No joy there either.

I tried Green Star again after but the vinyl was not releasing any of the chunks.

Before I do something stupid, is there a product or technique to getting stuck dirt off a wrap? It doesn’t look great despite being much cleaner than when I started.

I keep thinking that getting the wrap warm and hitting it with an interior cleaner might work. I have some Pol Star at 10:1 which deep cleans vinyl interiors just fine. Any reason not to try it?

How do we know who signed something digitally? Adobe Sign, Docubee, and DocuSign are pretty good at labeling and letting you draw a signature, but what about older systems? How does a hash indicate that a particular person signed something?