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naptha, mineral spirits, or turpentine (Read 826 times)
 
Joe White
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naptha, mineral spirits, or turpentine
Dec 23rd, 2007 at 2:29am
 
What is the preferred "thinner" for varnishes, and do you use any of these for washing your turnings in between sandings?  Does that include wet sanding?
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Rev. Doug Miller
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Re: naptha, mineral spirits, or turpentine
Reply #1 - Dec 23rd, 2007 at 11:19pm
 
As a thinner for varnishes, mineral spirits or turpentine either one.  Naptha would be the preferred for wiping down between sandings, but any of the three will work fine.  I wouldn't use any of these for wet sanding.  The will all evaporate too fast.  Use an oil finish if you are going to "wet sand."
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Freddie Hicks
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Re: naptha, mineral spirits, or turpentine
Reply #2 - Dec 24th, 2007 at 1:01am
 
First would be to know what we are going to wet sand, wood,metal ,oil finish, lacquer, poly ?  It would be different for me depending on what I'm doing, I sometimes wet sand with mineral spirits.I keep it in a spray bottle. More squirt than spray though. I don't use naptha and turpentine smells for a very long time.
   Freddie
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Joe White
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Reply #3 - Dec 24th, 2007 at 1:34am
 
Well I picked up some mineral spirits and some salad bowl finish.  I used the mineral spirits to clean the canarywood blank after sanding too 600.  Now I've applied my first coat of SB finish, and will do my next two coats tomorrow.  This is my first finishing job so I'm curious as to the results.  Should I wax it after a few days of curing to really bring out the shine, or will the SB finish interfere with the wax?  I don't really have a way to buff the bowl out yet so will a towel work with the bowl spinning on the lathe?  Will I even need to wax with a couple coats of SB finish?
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Re: naptha, mineral spirits, or turpentine
Reply #4 - Dec 24th, 2007 at 10:18am
 
I think you'll just have to judge that for your self.  Once the last coat of SB is dry look it over and see what it looks like.  If you are happy with the finish then you've got it.  If not even and smooth, then you'll want to put another coat.  The one time I used it I applied 5 coats before I got a good build.  Needed another coat or two to be consistent and smooth.  Kept soaking into the wood which was really dry.  Your wax idea is good, except that you will not want to use a towel with the lathe spinning.  Too much risk of it grabbing and twisting your fingers/hand/wrist.  Use a smaller cloth or better yet, paper towel folded into a small pad that you hold in your fingers and not wrapped around any of them. 
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