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Showing results for tags 'underglaze firing temp'.
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I have been given a bisqued porcelain plate to glaze fire - the base has been covered in a commercial underglaze, which i understand is a form of engobe. If that is the case do i need to use stilts on the base, or can i put it straight on the shelf? i am doing a porcelain midfire at cone 6 electric, Diane