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Unit 5 Topic 7
The Unity Formula
What is the alumina : silica (Al2O3 : SiO2) ratio?
The Al2O3 : SiO2 ratio tells how much alumina and silica should be included in a recipe at a given temperature.

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This ratio describes the balance between flux and alumina and silica in a recipe.
The Al2O3 : SiO2 ratio will indicate the temperature which a glaze should be fired at.
The Al2O3 : SiO2 ratio describes the proportional relationship between the values of Al2O3 and those of SiO2 in a unity formula.
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