[Jewelry making - Article 01290] - Re: [Orchid] Borax & Alcohol flux mixture?

[Peter W . Rowe]

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>           I think denatured alcohol is also known by wood alcohol. It
>     has something added to it to make it poisonous to consume. However,
>     regular grain alcohol that is 180 proof works well, such as
>     Everclear, which is cheap, and cheaper by far than denatured
>     alcohol. Isopropyl is only 14% alcohol (38 proof), which means it
>     has a lot of water in it. After the alcohol evaporates, you're left
>     with water slurry, which is not as effective. 

    Katherine, denatured alcohol is ethanol, or grain alcohol, to which a
    small amount of a denatureing agent is added. That's anything they
    can add to make it toxic and unfit to drink. By far the most common
    agent is methanol, which is your wood alcohol. But it's mostly the
    ethanol. Pure methanol is a good deal more dangerous to work with,
    since the fumes are more toxic than those of ethanol, and the small
    amount of methanol needed to denature the ethanol doesn't greatly
    increase the toxicity of the fumes. 

Peter

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