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Unit 7 Topic 13
Using Unity Formulae
What is the 'coefficient of expansion' of a glaze?
This value expresses the degree of expansion and the contraction of a glaze or clay body resulting from the firing process.

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The coefficient of expansion indicates the proportional relationship between the anima and silica values in a unity formula.
The expansion of the flux oxides of a glaze is expressed as the coefficient of expansion.
The coefficient of expansion is another way of expressing the alumina : silica ratio of a glaze.
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