[Jewelry making - Article 00573] - Re: [Orchid] Granulation and gum tragacanth

[nancyhowland]

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    Karen, You asked about recipes for gum tragacanth.  I like the one
    suggested by Philip Morton in "Contemporary Jewelry". 

    <edit>
    Contemporary Jewelry: A Studio Handbook
    By Philip Morton
    http://www.ganoksin.com/jewelry-books/us/product/0030899249.htm

    Media: Hardcover
    Manufacturer : Henry Holt & Co
    Release data : 01 June, 1976
 
    <edit>

    He says, 

          "Add one heaping tablespoon of powdered gum tragacanth to a
          quart of distilled water.  To do this, sieve the power through
          a kitchen sieve to break up the lumps, then make a paste with a
          small amount of water before adding the rest of the water. 
          Stir well to break up lumps.  Now bring the solution slowly to
          a boil, while stirring and working out all lumps.  Strain the
          solution through a double thickness of old nylon stockings
          placed in the sieve, and store it in a quart bottle with a
          tight lid.  This is a concentrated solution.  To mix a 1-to-20
          ratio solution, measure out 1 teaspoon of concentrate to 20
          teaspoons of distilled water, and mix well." 

    I cut this recipe down to one cup, because one quart of glue is too
    much volume when you only use 10 or so drops of glue per project. 
    This glue stores well and does not seem to get moldy as does hide
    glue. 

Nancy
www.psi-design.com

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