30 Mesh Flint Grog - fine

$1.00
SKU:
RMGROG30MF
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Full Bag Size From The Mine:
50 pounds
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Product Overview

30 mesh Flint Grog. Considered to be a fine mesh grog.
Grog is incorporated into clay bodies to give texture, impart 'bite' when throwing, to assist drying, or to increase firing strength. It will reduce the rate of clay shrinkage during drying and, in the firing, up to the temperature at which the grog itself was fired. Standard grog is made from a refractory fireclay and is relatively inert at potters' temperatures. - p. 137, Illustrated Dictionary of Practical Pottery, 3rd Ed. by Robert Fournier
50# bag; brown bag, red text sticker on bottom 30 MCF