URL: Claybank Brick Plant National Historic Site
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A refractory brick manufacturer, cradled in the Dirt Hills of Southern Saskatchewan, for 75 years (from 1914-1989).
Related Information
A Highly Plastic White Burning Kaolinized Sand:
This proves we can have a Canadian kaolin
This picture has its own page with more detail, click here to see it.
This is kaolinized sand from Flintoft, Saskatchewan. It is among clays I am currently rediscovering. This is far more plastic and fires much whiter than the Ravenscrag quarry equivalent. Consider highlights of physical tests to characterize it (data shown lower left):
-Super refractory (thus theoretically pure). The SHAB test bars (lower right from cone 10R and 10 down to 6 oxidation) correspond to the SHAB test results in the chart. Even at cone 10, this has an amazing 19% porosity. With almost zero shrinkage.
-Plasticity: Excellent (notice the texture of the plastic material in the close-up photo on the upper left).
-The DFAC test disk upper right shows perfect drying performance and very low soluble salts.
-White burning: The top bar is reduction-fired yet barely darker than the one below it at the same temperature in oxidation (indicating low iron content).
-Centre-bottom: G1947U clear glaze on it fired at cone 10R.
-Easy-to-access in new and old quarry sites.
I compared this with about 10 other clays in the area, doing the same for all of them, preserving a treasure trove of data for clays I have been overlooking.
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