A tiny percentage of blue stain in a porcelain has amazing power

The top porcelain bar has only 0.07% Mason 6336 blue stain added (vs. none in the bottom bar). This is a low fire frit-ware body fired at cone 03 in oxidation. At a slightly lower percentage (e.g. 0.05%) this porcelain will have the same color as a cone 10 reduction one (when covered with a transparent glaze). However adequate glass development is needed before the blue color develops.

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Materials	Stain 6336
Glossary	Porcelain How do you make porcelain? There is a surprisingly simple logic to formulating them and to adjusting their working, drying, glazing and firing properties for different purposes.

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