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paint thinner versus mineral spirits

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  • paint thinner versus mineral spirits

    My husband uses paint thinner and mineral spirits interchangeably and claims that I can use paint thinner for my BLO mixture.
    My thinking is that there has to be some difference between them since mineral spirits are quite a bit more expensive than paint thinner.

    Can anybody enlighten me on this?

    Thanks,
    Gudrun

  • #2
    Paint thinner IS Mineral spirits! At least in my neck of the woods.I never noticed a price diffrence in the two, BUT if it says Lacquer thinner, thats a whole nother ball game there!!! Dale
    Dale w/ yella saws

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    • #3
      http://http://www.paintquality.com.a...t/solvents.pdf

      http://http://www.woodworkersjournal...71/readers.cfm

      Gudrun, check out the above links for some information, they are both easy to read with out getting real technical. You will have to scroll down a little on the 2nd link to get to the question regarding our topic here, but like Dale said they are essentially the same.

      Mineral spirits generally contains small amounts of aromatic solvents (Xylene and/or Aromatic 100/150) to give extra boost to its solvency power. That extra strength is needed to stand up to the polymer modifications contained in newer resin systems and varnishes.
      Technically, mineral spirits and paint thinner are the same. But some hybrid polyurethane systems are not soluble in paint thinner because it lacks aromatic content.

      Perhaps it's my server but I can't get my own links to work!? I'll try this one on Wikipedia.
      http://en.wikipedia.org/wiki/Mineral_spirits
      Bill

      DeWalt 788



      aut viam inveniam aut faciam

      God gives us only what we can handle.. Apparently God thinks I am one tough cookie.....

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      • #4
        http://www.woodworkersjournal.com/ez...68/qanda.cfm#2 try that link , I think its one Bill was trying to post. Dale
        And maybe http://www.paintquality.com.au/selle...t/solvents.pdf that one?
        Last edited by lucky788scroller; 08-13-2006, 01:49 PM.
        Dale w/ yella saws

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        • #5
          PT vs. MS

          Your husband was right, the next time you have buy some, buy the cheaper one, as they are the same solvent.

          The only differences are, the "price and there names".

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          • #6
            Just to confuse everything

            Gudrun45:

            Please don't confuse Paint Thinner with turpentine. Another whole different chemical soup.

            You should not use turpentine as a general solvent, as I have been told, because it is for specific usage and a specific thinner for products that state on the label, thin with turpentine.

            http://en.wikipedia.org/wiki/Turpentine

            {Technically, since most paint sold these days is Latex paint, most "paint thinner", AKA paint solvent, is water. But no one wants that discussion. )

            Phil

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            • #7
              Thanks Dale! I don't know what I did, but I did it.........
              Bill

              DeWalt 788



              aut viam inveniam aut faciam

              God gives us only what we can handle.. Apparently God thinks I am one tough cookie.....

              Comment


              • #8
                Some paint thinners say that they are 100% mineral spirits on the label. If it doesn't, then I err on the side of caution and only buy that which is labeled mineral spirits to use for mixing with oil/varnish finishes. If I'm just cleaning brushes, etc, then anything called paint thinner will do.
                Homer : "Oh, and how is education supposed to make me feel smarter. Besides, every time I learn something new, it pushes some old stuff out of my brain."

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                • #9
                  Well, I'm sure glad I asked the question because now I know! (Of course, had I been thinking I could have researched it myself on the Internet. I apologize for not doing that.)
                  Anyway, the reason for my question was that I bought mineral spirits at Menards yesterday. A gallon metal can was somewhere close to 7 dollars, while the paint thinner came in a huge plastic jug and only cost something like $ 4.75. Dummy me I didn't even look at the ingredients but went ahead and bought the mineral spirits.
                  I'll know better next time!

                  Thanks again,
                  Gudrun

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