How much do I wet sand?

Discuss anything after that final masking comes off.

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PostPosted: Thu Oct 05, 2017 10:35 pm
'68 Coronet R/T wrote:1500 to 3000 is too big of a jump IMHO. I rarely ever need to sand beyond 2000 grit. Megs 105 and a twisted wool pad on a rotary will clean those right up.


Ok, I got some 2000 today, I'll use that before the 3000. As far as compounds, is this along the lines of what I need? Other recommendations?
https://www.amazon.com/3M-POLISHING-39062-39061-5723/dp/B0082LK87Y/ref=sr_1_6?ie=UTF8&qid=1507260834&sr=8-6&keywords=3m+perfect+it+rubbing+compound



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PostPosted: Thu Oct 05, 2017 11:59 pm
I'd get a $8 wool pad from Harbor Freight or CarQuest (advance Auto) for cutting, and a soft foam finishing pad for polish.

I'd use meguiar's diamond cut if it's your first time buffing, as it might take a little longer but is very forgiving to learn with.

For finish, I would use meguiar's swirl free polish. Or meguiar's swirl remover. Tbh, the formulation between the two is nearly identical. One of them (swirl free polish) is just easier to use by hand, with a buffer they are identical.

These polishes work much better than 3m stuff imo. Especially for those with less experience.



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PostPosted: Thu Nov 16, 2017 4:40 am
andruszko wrote:I very rarely wetsand above 1500. I like wetsanding by hand, btw. Because it's easier to keep it uniform and get to the edges.

Even after 1500 sand, going straight to a wool pad with meguiar's diamond cut doesn't take too long to buff out nice. If using m105 ultra cut it's even faster.

If you do wanna sand more, go with 2000. All it does is makes buffing a little easier. 3000 accomplishes literally nothing, unless you're going to be hand polishing afterwards. It's nice for small corners or edges where a buffer can't reach well.


:goodjob:

I rarely sand above 1200 myself, Why would I? When I have a Polish designed to take out and remove 1200 grit sand scratch!
Some guys like to work hard I suppose?

Not Even if I had a Bunch of Urethane Wave or Orange peel to remove.
If I have to remove imperfections like that I go after it with 600-800 and work myself back to 1200 or Reshoot after sanding it with the 600 for a nice flow coat.

A buffed panel will rarely looks as good as an as sprayed glass panel does because of that I would rather denib and do spot polishing of minor imperfections when possible. Doesn't happen very often from my Booth but I keep trying. Just my opinion.
Dennis Barnett
A&P Mechanic, FCC General radio Telephone Operator
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PostPosted: Thu Nov 16, 2017 9:49 am
That kit will get the job done but I agree that a wool pad is a necessary addition.

I like the twisted wool pads for the first stage as it removes heavy scratches quickly.
Check these guys out:
https://www.autogeek.net/rotary-foam-pads.html
http://www.prestaproducts.com/Ultra_2_S ... -list.aspx
1968 Coronet R/T


ACTS 16:31
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