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Pure grog (brick aggregate) is made by crushing bricks to produce a particulate material that is added to sculpture clay bodies to reduce their drying shrinkage (to reduce drying cracks) and impart texture. Brick manufacturers always have a certain percentage of reject and actually grind the reject bricks and clay together. These are structural high temperature stoneware bricks in a stockpile at Plainsman Clays.
Glossary |
Grog
Grog is a term used in ceramics to describe crushed brick (or other fired ceramic) aggregate that is added to sculpture and structural clays to improve drying properties. |
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