[Jewelry making - Article 01186] - Re: [Orchid] Best Shellac solvent

[Alden & Glenda Blood]

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    Steve:  I imagine there will be many replies to this one.  Anhydrous
    denatured ethyl alcohol (absolute alcohol) is probably the most
    common shellac solvent currently used.  The best solvent for shellac
    is methyl alcohol.  The advantage of methyl alcohol is that it does
    not form an azeotrope with water and is, therefore, easy to obtain
    water free. The traditional solvent was wood alcohol, which is a
    technical grade of methyl alcohol obtained by the destructive
    distillation of wood.  Wood alcohol is still produced in small
    amounts because the regulations controlling the denaturing of ethyl
    alcohol still specify "wood" alcohol.  At least they did the last
    time I had any reason to check into it. 

Captain Blood
"Marlinespike Seamanship in Precious Metals"
mariner AT tgtel.com


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