Alternate Names: Shefield Slip
Utilizes a native glacial clay (see Sheffield clay) blended with fluxing agents. The manufacturer claims that it yields a glaze designed to duplicate 100% Albany at cone 10 (a rich brown semi glossy glaze at cone 8-10 in either reduction or oxidation) . Depending on the application the formula can be used as a component in various temperature glazes.
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Clays that are not kaolins, ball clays or bentonites. For example, stoneware clays are mixtures of all of the above plus quartz, feldspar, mica and other minerals. There are also many clays that have high plasticity like bentonite but are much different mineralogically.