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Old 14-06-2018, 09:17 PM   #1
Benfr16
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G3 Mitt then polished - Paint feels rough still

A few weeks ago, I used a G3 Clay mitt on black VAG paint. I used a lot of sudsy water and also sprayed some shampoo mix as I went over the car.

Afterwards, it still felt kinda rough when using the bag test. I tried to use tar remover and fallout remover on an area, washed it and it still felt rough!

I didn't have any clay but had a go at machine polishing anyway out of interest to see what happened. The paint finished up beautifully but the surface still felt quite rough with a plastic bag.

My thoughts are that I probably went a little overboard with water and spray with the mitt. However, it still felt 'grabby' at points when working in horizontal and vertical motions. I don't feel like the actual technique was at fault. I would use little pressure and repeatedly move back and fourth in straight lines over the paint. It probably took me 30 - 40 mins to do the whole car (although I can't remember exactly as it was some weeks ago now).

Any thoughts on this? Could it be some kind of overspray that is baked on? It doesn't bother me much as the paint looks quality and you can in no way see any contaminants on the paint's surface.

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Old 14-06-2018, 10:04 PM   #2
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I can't help you with the rough paint issue as I am not really sure given what you have done. You should be able to feel the paint getting smoother with each pass of the clay mitt until it glides across with no noise/resistant at all.

In future though I would advise de-tarring and applying fallout remover prior to claying.
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Old 14-06-2018, 10:32 PM   #3
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Thanks. Whats your thoughts on blitzing a black car with tar remover though? It's pretty strong stuff and i'd imagine is no good for plastics, trims, rubber on tyres or basically anything other than the surface of paint
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Old 14-06-2018, 10:46 PM   #4
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Try a regular clay bar. Test a small area and see how that goes. Avoid the use of any more solvents at this stage.

Last edited by BradleyW; 14-06-2018 at 10:55 PM.
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Old 14-06-2018, 11:26 PM   #5
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Cheers bradley. It has been a few weeks and solvents were used simply in approx a 8" x 8" section to assess their effectiveness. It has also been around 4 weeks since this was attempted.

However I appreciate it may just need a 'proper' clay. Just didn't have any around at the time

Have you had a similar issue that you have been able to resolve?
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Old 15-06-2018, 12:16 AM   #6
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Originally Posted by Benfr16 View Post
Cheers bradley. It has been a few weeks and solvents were used simply in approx a 8" x 8" section to assess their effectiveness. It has also been around 4 weeks since this was attempted.

However I appreciate it may just need a 'proper' clay. Just didn't have any around at the time

Have you had a similar issue that you have been able to resolve?
I did have a similar problem. After using Tar Remover, Iron-X and IPA 30%, I was left with paint that felt very grabby. I didn't do the bag test. I just swiped the surface with a plush MF towel and it didn't feel it's usual "smooth" self. I ended up washing the car again using G3 Body Prep followed by clay bar and QD. Afterwards, I re-polished the whole car which took days, in order to remove some damage caused by the clay bar. I left the paint a week or so to recover from everything, after which I applied fresh wax. The paint felt better prior and post waxing.

I'd say give it a good wash followed by clay bar. Polish if required. Avoid solvents of any kind. Use a panel wipe to remove any surface oils before applying your LSP. Avoid panel wipe which contains IPA.

If you do not polish and already have an LSP installed, you'll need a pre-wax cleaner. DoDo Juice create pre-wax cleaners which do and don't contain abrasives, so go with whichever you prefer in that regard.

Last edited by BradleyW; 15-06-2018 at 01:50 AM.
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Old 15-06-2018, 01:26 AM   #7
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Quote:
Originally Posted by Benfr16 View Post
Thanks. Whats your thoughts on blitzing a black car with tar remover though? It's pretty strong stuff and i'd imagine is no good for plastics, trims, rubber on tyres or basically anything other than the surface of paint
I do the full bottom half of my car with Tar & Glue which is black and has side stripes. No issues with it at all, few panels, allow to dwell for a minute then agitate with a MF towel before rinsing.

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