Scratches by wet sanding

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bomber

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Hi guys, would love to ask how will you guys fix the scratches after the wet-sanding?

well I have used the ultimate compound and turtle scratch cream to polish it however there's still minor scratches and hardly can removed it.

I've wet sanded by 2000 grit only then polished after a few spots of repainted.


the scratches can't say they're very obvious however if I walk closer I can see there's scratches.

hope professionals will help me with this. thanks. Any other products recommendation also welcomed!
 
What machine and pad combo are you using? A light to medium cut pad (like an orange Lake Country foam pad) and the Ultimate Polish can usually knock out 2000 grit sanding marks with a DA polisher. If not, you can step up to a more aggressive compound like M105, FG400, Uber Compound, etc and/or try a different pad that offers more cut (like a Meguiar's microfiber cutting disc).
 
:welcome: To Autogeek Online! :props:


Once I'm finished wet sanding, my choice of machines is a rotary polisher and a wool pad.


This combination makes short work of sanding scratches and with progressively finer pads and products should result in a mirror shine.

What type of buffer and pads are you using?


Two over the counter products that work very well....

Meguiar's Ultimate Compound

Meguiar's Ultimate Polish
 
bomber said:
Hi guys, would love to ask how will you guys fix the scratches after the wet-sanding?

well I have used the ultimate compound and turtle scratch cream to polish it however there's still minor scratches and hardly can removed it.

I've wet sanded by 2000 grit only then polished after a few spots of repainted.


the scratches can't say they're very obvious however if I walk closer I can see there's scratches.

hope professionals will help me with this. thanks. Any other products recommendation also welcomed!
Click to expand...


For me, I like to use a Rotary, wool pad and rubbing compound. Then switching to a DA for the polishing step takes away any buffer swirls that might have gotten left behind. When removing sanding marks.

Just a friendly heads up, I believe that Meguiar's Ultimate Compound is not body shop safe since you are saying you wet sanded spots that were repainted. I have never used Meguiar's Ultimate Compound so not to sure about what it can or can't do, especially for removing sanding marks.

I am wondering why did you just sand spots that were repainted? Were you trying to remove certain defects? i.e. orange peal. dirt's, runs, etc...?

Also just a word of caution, who knows how much CC you removed, especially if you are new to this then going from 2000 to 3000 and then attempting to buff out the sanding marks could be a safer route than just trying to remove the 2000 sanding marks.

What you are most likely seeing are sanding marks that did not get removed, I've attempted to removing 3000 sanding marks by hand and it wasn't an easy task. I just switched to machine better. So I could only imagine how much more difficult 2000 would be.

and a word of caution, I believe Mike Phillips says this, of reaching the point of no return which is burning through the paint.

So either have a professional finish the job or tread lightly and try and avoid the point of no return as best as possible.

oh and like said above, pictures would be a great help.

Good Luck and keep us updated :dblthumb2:

Art
 
According to Meguiar's, their Ultimate Compound G17216 is paintable or body shop safe.

From the folks who wrote the book on detailing products:

Body Shop Safe or Not
 
BobbyG said:
OMG I just busted out laughing!! :laughing: :laughing: :laughing:

Good one Art!! :props:
Click to expand...
6aganeme.jpg


Than You Bobby :D
 
Are the scratches you cannot get out "Tracers" or are there uniform 2000 grit scratches throughout the entire area?

What pad, machine, speed setting & downward pressure were you using with the Megs Ultimate Compound?
 
i tried to take pictures for it but not very obvious, they're a few hairline scratches. I've got an obrital polisher but used to hand rubbed it for those spots, coz it's not a very big area .
 
Yes I tried to sanded the peels. it just got a few hairlines left there and wish to be removed.
 
bomber said:
i tried to pictures for it but not very obvious, they're a few hairline scratches. I've got an obrital polisher but used to hand rubbed it for those spots, coz it's not a very big area .
Click to expand...

If this is what you're referring to as the polisher you have on hand, I'm afraid these won't work for compounding and polishing. They were simply not designed for this type of work.



This is more along the style or type of dual action machine needed to perform correction and polishing.



You can work the spot by hand but it will be slow going. here's another great article Mike's written that should help.

How to remove wetsanding scratches by hand - FG 400
 
BobbyG said:
If this is what you're referring to as the polisher you have on hand, I'm afraid these won't work for compounding and polishing. They were simply not designed for this type of work.



This is more along the style or type of dual action machine needed to perform correction and polishing.



You can work the spot by hand but it will be slow going. here's another great article Mike's written that should help.

How to remove wetsanding scratches by hand - FG 400
Click to expand...



Re:

ok i have got this buffer for free from friend. so any other things that I can use by this buffer? otherwise i will have to give it to someone else then.

Can't afford a DA at the moment. so will have to do by hand from now then

Thanks a lot.
 
bomber said:
Re:

ok i have got this buffer for free from friend. so any other things that I can use by this buffer? otherwise i will have to give it to someone else then.
Click to expand...

You can apply wax it and that's about it. See this article,


The Traditional Orbital Buffer aka The Wax Spreader





bomber said:
Can't afford a DA at the moment. so will have to do by hand from now then

Thanks a lot.
Click to expand...

Removing scratches is done by removing paint and leveling the surface.

Use the Ultimate Compound with either microfiber or terrycloth and then rub hard and fast with firm downward pressure for a minute or two and only tackle a small section.

You can exert a lot of force with your fingers to a small area and that's the key to removing paint and leveling the surface.

The orbital buffer won't work at all.


:)
 
Where are you at bomber? If you're near me I'll take them out for you. I'm loving Optimum's Hypercompound.
 
Mike.Phillips@Autogeek said:
You can apply wax it and that's about it. See this article,


The Traditional Orbital Buffer aka The Wax Spreader







Removing scratches is done by removing paint and leveling the surface.

Use the Ultimate Compound with either microfiber or terrycloth and then rub hard and fast with firm downward pressure for a minute or two and only tackle a small section.

You can exert a lot of force with your fingers to a small area and that's the key to removing paint and leveling the surface.

The orbital buffer won't work at all.


:)
Click to expand...


Cool. I m about to throw it out then.

Should I use something more abrasive than UC? I heard that HD POLISH does a good job either , is it ? or any other products work better than UC?

Thanks for the info so much.
 
bomber said:
Should I use something more abrasive than UC?
Click to expand...


You could but with a piece of cloth, either microfiber or terrycloth and some passion behind the pad, (elbow grease), then UC works very well.

It was the first compound I know of besides it's cousin M105 that provided aggressive cutting action while finishing out like a polish when used by hand on scratch-sensitive clearcoats.

This is from a guy that taught classes on hand polishing for Meguiar's for 7 years in Irvine and I've been hand polishing (and machine polishing), for probably over 30 years now.


Check out this article...


How to use a hand applied abrasive polish or paint cleaner by hand


When working by hand you're hand should be a blur... if it's not.. you're not going to remove any defects...

These are #3000 grit sanding marks in the hood of a 1970 El Camino streetrod I did the wetsand, cut and buff on...

RemvovingSandingMarksbyHand01.jpg


RemvovingSandingMarksbyHand02.jpg


DampSanding71.jpg




DampSanding75.jpg





Put a little passion behind the pad - Mike Phillips



:D
 
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