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Outside glaze is G2934Y black. Inside is 80% Albany clay and 20% Ferro Frit 3195, a really stunning glaze! I used the C6DHSC firing schedule. The body is a natural porcelain that vitrifies beyond the zero porosity point, producing incredibly strong ware. Yet it does not warp during firing.
Of all the pieces I make, ones like these mean the most to me. To make this cup I sieved a Plainsman 3D clay slurry to 325 mesh to produce a natural porcelain that vitrifies beyond the zero porosity point at cone 6, yielding incredibly strong ware. I make the outside and inside glazes from clays we mine in Montana and Alberta (using chemistry to maximize the clay percentage to more than 70%).
Materials |
Albany Slip
A pure low plasticity clay that, by itself, melted to a glossy dark brown glaze at cone 10R. It was a popular glaze ingredient for many decades. |
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