Digitalfire will shut down on June 26. I no longer have the authority to grant exemption to a section in the Terms and Conditions of using material in the Insight-Live account from which I built the source material. While there are ways to comply with the take-down order, they are beyond my means because of how complex and large the site has become in the past 35+ years. It has been a wild ride for a shy prairie boy, thanks to everyone for your support. Insight-live.com is not affected by this.
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. |
| 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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