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Thinners (Read 626 times)
 
Joe White
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Thinners
Jan 17th, 2008 at 10:20pm
 
Aside from the obvious two (lacquer & paint thinner), what are the primary uses for the following:

Naptha
Mineral Spirits
Denatured Alcohol
Gum Turpentine

Primarily I want to know which chemical to use when cleaning my brushes after shellacing, or poly-ing, etc..  Which ones should be used to thin which finishes, and benefits/negatives regarding each.  I know it's kind of an open ended question, but what else do we have to do?
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Rev. Doug Miller
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Re: Thinners
Reply #1 - Jan 17th, 2008 at 11:19pm
 
Your paint thinner is mineral spirits.  It and the turpentine and naptha will all thin/cut the poly.  Only alcohol can be used with shellac. 
CoolRev. Doug Miller
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Copeland
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Re: Thinners
Reply #2 - Jan 19th, 2008 at 3:15am
 
Mineral spirits only dilute your finish & delay your buildup.Tests have shown that it won't take your finish any deeper into the wood-doesn't make sence, but that's what experts say.I've sold a lot of spalted pecan lamps w/ water-based poly finishes so they would be white instead of yellow-never again-have to sand alot between coats.Now only use a tung oil/urethane/turpentine finish,then buff it w/ Final Luster polish & I've sold everything I've ever made.Turpentine actually carries the finish inward & gives us the "pop" we are looking for.Be sure to wipe the finish off thoroughly, between coats before it gets tacky.
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« Last Edit: Jan 19th, 2008 at 3:23am by Copeland »  
 
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Copeland
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Re: Thinners
Reply #3 - Jan 19th, 2008 at 3:32am
 
Btw if you need a fast finish for a present or sale,the shellac/alchol is the way to go.Like Rev said, alcohol cuts shellac.I production turned many candlesticks& delivered them to a  gift shop for the holidays. They still smelled great to me!
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