Question time . . . . K2O

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Unit 6 Topic 2
Oxide Qualities
How is potassium oxide different from sodium oxide?
It encourages more brilliance and may slightly extend the firing range of a glaze.

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Potassium has a lower fusing temperature.
K2O can only be sourced from fritts rather than from feldspars as is the case with sodium oxide.
There are less problems with potassium oxide in reduction firings than with sodium oxide.
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