Manganese Dioxide (powder)

Manganese Dioxide (powder)

Manganese Dioxide (powder)

Clay & Minerals

Price: $2.50 - $50.00
SKU:
MANGDIOX
Weight:
1.00 LBS
Bulk Pricing:
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Bulk discount rates

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  • Buy 5 - 9 and get $0.25 off
  • Buy 10 - 24 and get $0.40 off
  • Buy 25 - 49 and get $0.50 off
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Packaging:
50# bag

Above 1080℃, half of the oxygen disassociates to produce MnO, a flux that immediately reacts with silica to produce violet colors in the absence of alumina, browns in its presence. Thus if it is being used in glazes fired below 1080℃ it should be considered as MnO2, if above it should be taken as 81.5 MnO and 18.5 LOI. In glazes it will behave in a refractory manner, stiffening the melt. Because to the expulsion of oxygen at 1080, glazes using manganese should avoid this temperature range to reduce the chance of blistering and ruining of the glaze surface.

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