Understanding glaze recipes
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 A basic recipe lists materials in specific proportions that will produce a glaze with a specific melting temperature & surface quality. 

Colorants (oxides, stains, and/ or opacifiers) are added to the base as desired for color.

Recipes should add up to 100=100%

 

 

Demystifying the recipe! What does it really mean?

For example: Sage Marshmallow C 8-9, Matt, translucent

(this is a high fire glaze that melts at cone 8 or 9 with a matt surface & translucent quality)

Oxford soda feldspar    57.6      (flux=lowers melting point of silica)
Whiting                           17          (flux=lowers melting point of silica)
Geogia kaolin                15          (alumina= stabilizer)
Rutile                                4.8        (colorant)
Zinc oxide                        3.7        (colorant)
Flint                                   1.9        (silica= glassforming agent)
                                          =100