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Left: G3933E oatmeal based on Ravenscrag Slip.
Right: G3933 oatmeal based on a mix of G2934 matte and G2926B glossy base glazes.
The Ravenscrag version features a number of advantages. Most importantly much less tendency to crawl. It is also more responsive to cooling differences (more matte on slow cool, more glossy on fast cool). And its recipe is adjustable, it is easy to raise the MgO if a more persistent matte is needed. And it is easy to adjust slurry properties by changing the ratio of roast-to-raw Ravenscrag clay. And, it looks better, transmitting the brown body color on thin sections more effectively.
Materials |
Ravenscrag Slip
A light-colored silty clay that melts to a clear glaze at cone 10R, with a frit addition it creates a good base for a wide range of cone 6 glazes. |
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