Tried to buff scratches, now finish is cloudy - Jemsite
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post #1 of 18 (permalink) Old 07-03-2011, 02:48 PM Thread Starter
 
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Tried to buff scratches, now finish is cloudy

So, I used MicroMesh to remove some fine scratches in the finish of an S540, now the area that I sanded is very cloudy and looks awful. I used 1500-12000. Ideas on how to fix this?
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post #2 of 18 (permalink) Old 07-03-2011, 03:20 PM
 
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Re: Tried to buff scratches, now finish is cloudy

You cant buff scratches with sandpaper. You need to use a buffing compound and rotary, orbital, or dual action buffer. Its going to be "cloudy" until you actually do the "buffing".
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post #3 of 18 (permalink) Old 07-03-2011, 03:20 PM
 
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Re: Tried to buff scratches, now finish is cloudy

Good luck. That stupid MicroMesh is tough to work with. They don't tell you this but the "1500" is equivalent to 600 grit sandpaper. I've learned to only use the 6000, 8000 and 12000. Requires more patience but you don't end up with that problem.

Get this:

http://www.stewmac.com/shop/Finishin...Compounds.html

I'd order the set of 4 small sizes. You're going to need to start with the coarse to make any headway on those scratches. The swirl remover in that set is like magic. Once you see how well it works, you're probably going to go back and buy the big bottle. You can try this by hand, it may work just fine.
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post #4 of 18 (permalink) Old 07-03-2011, 03:38 PM
 
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Re: Tried to buff scratches, now finish is cloudy

Operator error, I use micromesh all the time to fix finishes, and I have no problem getting a mirror finish using only the touchup sticks. You are using them with soapy water right?
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post #5 of 18 (permalink) Old 07-03-2011, 04:24 PM Thread Starter
 
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Re: Tried to buff scratches, now finish is cloudy

I am using them with plain water. I will try with the soap.
Thanks for the responses
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post #6 of 18 (permalink) Old 07-03-2011, 05:14 PM
 
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Re: Tried to buff scratches, now finish is cloudy

Id really really still suggest getting a buffer onto this as well...


http://www.jemsite.com/forums/f18/pa...-d-109650.html


I've never heard of paint finishing with sandpaper, only scratch removal.
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post #7 of 18 (permalink) Old 07-03-2011, 06:16 PM
 
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Re: Tried to buff scratches, now finish is cloudy

I'd get a buffer as well man...
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post #8 of 18 (permalink) Old 07-03-2011, 07:58 PM Thread Starter
 
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Re: Tried to buff scratches, now finish is cloudy

Quote:
Originally Posted by linuxpenguin View Post
Id really really still suggest getting a buffer onto this as well...


http://www.jemsite.com/forums/f18/pa...-d-109650.html


I've never heard of paint finishing with sandpaper, only scratch removal.
That looks amazing. That looks very similar to my situation now. I will try it.
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post #9 of 18 (permalink) Old 07-03-2011, 08:10 PM
 
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Re: Tried to buff scratches, now finish is cloudy

For paint correction, youre really only supposed to use sandpaper to get rid of deeper, wider scratches. Once you have "uniform" scratching (the deep, hazy look), you can begin to buff it out. Depending on how well you sand, you may be able to buff out right away with polishing compounds instead of using rubbing compounds.
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post #10 of 18 (permalink) Old 07-03-2011, 09:24 PM Thread Starter
 
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Re: Tried to buff scratches, now finish is cloudy

Quote:
Originally Posted by linuxpenguin View Post
Id really really still suggest getting a buffer onto this as well...


http://www.jemsite.com/forums/f18/pa...-d-109650.html


I've never heard of paint finishing with sandpaper, only scratch removal.
I bought the Micro Mesh after watching a video on Stew Mac.com which is what they used to remove fine scratches.
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post #11 of 18 (permalink) Old 07-03-2011, 10:02 PM
 
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Re: Tried to buff scratches, now finish is cloudy

Quote:
Originally Posted by taracatac View Post
I bought the Micro Mesh after watching a video on Stew Mac.com which is what they used to remove fine scratches.

I'll put it like this. NO ONE in the auto industry uses sandpaper to finish their paint jobs. It may produce "ok" results, good for most, but to do it "right" you need a buffer.

you can get those 20 dollar buffing wheels that go into your drill, those will do the job just fine.
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post #12 of 18 (permalink) Old 07-03-2011, 10:32 PM
 
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Re: Tried to buff scratches, now finish is cloudy

yeah, and use something like a fine cut cleaner from 3M, then finish it off with a swirl remover from 3M. that's what I use. I may have to go over an area 2 or 3 times with the cutter, and then a couple more with the swirl remover...
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post #13 of 18 (permalink) Old 07-03-2011, 11:06 PM
 
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Re: Tried to buff scratches, now finish is cloudy

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Originally Posted by musikron View Post
Operator error, I use micromesh all the time to fix finishes, and I have no problem getting a mirror finish using only the touchup sticks. You are using them with soapy water right?
There is a method to it. I use Micro Mesh as well, but I stick to the three finest grades (6000, 8000, 12000). I'm able to get a nice finish with those, but once I go coarser, I have major trouble removing the sanding scratches. I like to follow the 12000 use with the Color Tone swirl remover I posted above.

Typically though I get better finishes by simply using the compounds. This is a hand finish on a black RG770. I used medium, fine and swirl remover.


Last edited by Takin' a Ride; 02-20-2014 at 04:28 PM.
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post #14 of 18 (permalink) Old 07-05-2011, 09:52 AM
 
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Re: Tried to buff scratches, now finish is cloudy

When Im flattimg amd polishing I use soapy water 1200 grit wet and dry then 2000 grit wet and dry, compound buffing head with eaither G3 or G6 keeping the paint wet with a squirt or water, then onto a soft polishing pad with some G10 then a lambs wool wheel with some polish for the final go.

I have micro mesh and only really use 6000 - 12,000. the courser ones I use for polishing frets as they are way to course for finishing jobs...........IMO
Heres one I polished ages ago.
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post #15 of 18 (permalink) Old 07-05-2011, 03:37 PM
 
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Re: Tried to buff scratches, now finish is cloudy

You use wool for your final buffing? O.o You have nerves of steel sir, or some amazingly hard paint, what do you use?

What RPM's does your buffer turn at? Cant be much using a wool pad
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