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Manganese Dioxide

1KG MANGANESE DIOXIDE

Part #MMED3

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Pyrolusite ore. A glaze colorant typically giving browns, blacks and, at high concentrations, metallics. Manganese dioxide decomposes to MnO at 200º C, picks up O2 to become the dioxide and above 1080º C changes back to MnO, an active flux; glazes that are molten at 1080º C may show defects due to liberated O2 gas.

For more information on manganese dioxide, see the Digitalfire.com Reference Library  of ceramic materials.