Automotive Paint Absorbs Water?

Yes, this was condensation (=water) in the paint. I was not able to wipe it off or affect it in any way by touching it. So, I'm sure it was in the paint. When I applied heat to it with a hair drier it evaporated out like I was defogging a bathroom mirror. This was not fresh paint it was factory paint.

yes, but did it do it anywhere else on the car or just where it was covered by the bra ;)
 
yes, but did it do it anywhere else on the car or just where it was covered by the bra ;)

Yes, the moisture was absorbed by the paint because it was covered by the bra. If it were uncovered I would expect the same thing would not have happened.

However, we're talking about whether it's possible for water to be absorbed by paint. I'm offering a first hand account of water entering the paint. It had to be covered by the bra for it to happen, but it still happened.
 
There's no way that paint could absorb a pint of water.

Think of it this way. You wash an unwaxed medium sized car and afterwards there is coating of water on the surface. If you gathered all that water together into a container, it might make about a pint. There is no way the paint system could absorb the same amount of water, even the most oxidized chalky piece of work you can find.

Now if you were talking about a stretch limousine, I might understand.... but then the argument becomes relative to the size of the car, which is not mentioned in Ketch's post.

He is a great guy though and I also have learned a lot from him in the past about detailing. Logically, on this point, I would disagree. There are too many other factors that need to be mentioned before making a sweeping statement like that, IMO, like surface area, temperature, water composition, etc.

Tnx.

Xill.
 
So I decided to test this theory.

We built a fully ventilated paint booth--we were doing this anyway--totally air tight. Put plastic down on the floor. Parked a 2005 Buick Century on the plastic after letting it sit inside overnight.

We turned up the relative humidity and soaked the car with 50 litres of water. We allowed the car to drip for 4 hours. Then we measure the remaining water...

And the answer is...







Right, exactly. Conversations like this can only go so far. It seems to me there is no useful side to the statement that, "cars can absorb water." I don't think it is provable, and I don't think many here would change any processes anyway.
 
And the answer is...







Right, exactly. Conversations like this can only go so far. It seems to me there is no useful side to the statement that, "cars can absorb water." I don't think it is provable, and I don't think many here would change any processes anyway.

:rofl:rofl:rofl:rofl:lol2:
 
So I decided to test this theory.

We built a fully ventilated paint booth--we were doing this anyway--totally air tight. Put plastic down on the floor. Parked a 2005 Buick Century on the plastic after letting it sit inside overnight.

We turned up the relative humidity and soaked the car with 50 litres of water. We allowed the car to drip for 4 hours. Then we measure the remaining water...

And the answer is...



Right, exactly. Conversations like this can only go so far. It seems to me there is no useful side to the statement that, "cars can absorb water." I don't think it is provable, and I don't think many here would change any processes anyway.

Oh man!! Your wife must hate having arguments with you!!! LOL!! ;) I was going to start waxing with water if only somebody could prove it was good!!

Any other nutty professors with airtight booths willing to spend a few weeks experimenting out there???

You got me.... :gotcha:
 
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