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Vibrantz Minerals Silica Sand

Vibrantz Minerals Silica Sand

Potterycrafts

£7.04

Silica Sand Grogs is added to a body, they help glaze fit and make the body more refractory. Grog (ground, fired body) is added to some clays to provide a proportion of fired and often refractory material to the body. This adds texture, along with bite, for better control during forming. The grog also acts as an opener and helps the clay to dry uniformly. As the grog is already fired it also cuts

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