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The stains are still powders, showing their advantage over using raw metal oxides to color glazes. Pretty well all black glazes employ manganese along with other metal oxides, double or triple their combined percentage is needed to stain a glaze black. Much of the reason for this is that they dissolve in the melt.
Materials |
Manganese Dioxide
A source of MnO used in ceramic glazes and the production of ceramic stains. Commonly made by grinding pyrolusite rock. |
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Glossary |
Ceramic Stain
Ceramic stains are manufactured powders. They are used as an alternative to employing metal oxide powders and have many advantages. |
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