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Wet Sanding/Polishing Question.

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  • Member since
    May, 2017
  • From: Vancouver, B.C. Canada
Wet Sanding/Polishing Question.
Posted by Roger Bannon on Tuesday, December 19, 2017 1:13 AM

I was just curious, when wet sanding/polishing, is it better to sand in straight lines, then switch 90 degrees, and sand in the other direction in straight lines?  Or is it better to sand in a circular motion?  Does it even matter?

I will never claim to know it all.

  • Member since
    August, 2005
  • From: Nashua, New Hampshire
Posted by mrmike on Tuesday, December 19, 2017 7:47 AM

I was taught to sand in one straight direction starting with a coarse grit sandpaper or sanding cloth and then change direction with the next grit in the package.  Do not sand in a circular motion!  The idea is to remove the damage made with the coarse grit and moving to the next least coarse grit by changing directions.  Start north to south with one grit and then east to west with the next least coarse grit and so on.  

"That's Spenser with an 'S' like the poet." Robert Urich Spenser For Hire 1985 

On my bench-1969 Plymouth Road Runner; 1965 Chevrolet Fleetside Pickup; The Striped Tomato

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  • Member since
    May, 2017
  • From: Vancouver, B.C. Canada
Posted by Roger Bannon on Tuesday, December 19, 2017 9:14 AM

Thank you mrmike, good to know.  Believe it or not, it is hard to find a striaght answer on the interbutts.  

I will never claim to know it all.

  • Member since
    November, 2004
  • From: Winnipeg Canada
Posted by Wayne Farmer on Tuesday, December 19, 2017 5:38 PM

When I wetsand the clear I usually start with 1500 then go up to 2000.I've never gone finer but maybe I should..I then follow up with Meguiar's Scratch X 2.0 or Cleaner the finish with Meguiar's Gold Class Paste..I did an acrylic lacquer car many years ago with no clear and my grand daughter said there were still very fine scratches in it..Guess I should have gone finer but didn't want to go through the paint..Practice makes perfect..

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