Any idea what this is

Cruzscarwash

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So a client came by and said the paint developed these cracks and staining after a mobile washer washed the car. They won't Polish out at all. Meg's MF cutting pads and any compound from Meg's, jescar, menz, Griot's nothing is removing them. Could it be acid burn??
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Is that a painted plastic panel or metal? or is it on both. That's a weird pattern on the cracks
 
It's the trunk of a 2016 mustang

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So I think I might have damaged my first car, idk what is happening, I have never seen this before.
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Hard to see from pics, but I wonder if you're onto something with the acid burn notion. :(

The pattern looks like you would expect from a fluid that dried on the paint.
 
I assume you used the same wash method you always use?? I would say paint defect. Awfully new for CC failure. I would have him check with Ford. Definitely strange.

The first picture looks like cracking paint, the other look something definitely sat on the paint for a while. What was your wash process?? I assume you were in the shade. Did you use any type of acid, or iron X or anything along those lines??
 
The post is a little confusing, did you do the wash, or someone else did and you damaged the paint trying to correct it??
 
It was washed by a mobile washer here in town, the damage was noticed the next day.

The client asked me to try and Polish it out which has left it in the last pics where the center is cleared but the outer parts are still messed up

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Can your client contact that mobile guy to ask him what he used on the paint?

I'm sure he/she is really upset. I know I would be.
 
They have been trying, so far just a no name brand soap that he foamed with, but he didn't know the name of it..lol

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They have been trying, so far just a no name brand soap that he foamed with, but he didn't know the name of it..lol

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Oh boy...... :(

Willy's molecular acid wash. Lol
 
I even tried to wet sand and I can't figure out what's going on. There is no paint transfer from the area in the center that's clearing up.
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I used a Speedy Prep Towel to clay a black Mercedes a couple of weeks ago and when I went to wipe up/dry off the claylube after the panel [hood] was done it looked somewhat similar to how this looks in your pic.

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Except in my case it looked as if every little microscratch that the clay towel had induced was temporarily visible like a dry lake bed on the hood. Did I freak? Yea momentarily, but it all disappeared once the panel fully dried. I applied sealant and everything’s been fine since. I dunno what it was or what caused it to happen... I’m just glad it went away.

If I were you I’d hit it with a dedicated panel wipe and give it time...

Btw what kind of person doesn’t know what kind of car shampoo they used just a couple of days ago? How stupid is that??
 
I even tried to wet sand and I can't figure out what's going on. There is no paint transfer from the area in the center that's clearing up.
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Not sure what you mean by “paint transfer”, but if you are expecting paint on your polishing pad you won’t get any since it’s clear coat, unless you go through the clear, which you don’t want to do.
 
So, while trying to figure out what's happening, if the outer part we're the clear coat and the inner part had "failed" clear and that was removed leaving only the black paint then I would expect that black paint to transfer to the pad. It didn't so that's why I find it hard to think it's clear coat failure

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So, while trying to figure out what's happening, if the outer part we're the clear coat and the inner part had "failed" clear and that was removed leaving only the black paint then I would expect that black paint to transfer to the pad. It didn't so that's why I find it hard to think it's clear coat failure

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Clearcoat failure doesn’t happen overnight.. For example the clearcoat failure that’s currently going on on my hood was showing visible signs of imminent failure for months before the clearcoat actually began to crack and start to flake off.

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Yes, that's what it looks like on my 06 Nissan, some parts are starting to bubble as well.

This mustang though looks nothing like it
Clearcoat failure doesn’t happen overnight.. For example the clearcoat failure that’s currently going on on my hood was showing visible signs of imminent failure for months before the clearcoat actually began to crack and start to flake off.

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Kinda looks like it has a PPF on it that got stained by the mobile guys no name foam wash.
 
Whatever you did to that middle spot looks incredibly good now. Can you duplicate that process on the rest of it?

And that's shiny black paint so its still clearcoat. The base coat is a matte or flat black.
 
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