What is the glaze recipe?

Unit 3 Topic 1
Focus on Raw Materials
A glaze recipe is a list of raw materials and quantities required to make a particular glaze for a particular firing temperature.

The raw materials in the recipe have been chosen to provide the essential oxides for the glaze.

The quantities of each material determine the balance of those oxides producing a glass with the required texture, opacity and movement, maturing at the desired temperature.

Recipe Quantity
Flux
Amphoteric
Acid
Feldspar
40
provides---> K2O, Na2O, CaO Al2O3 SiO2
Whiting
30
provides---> CaO --------- -------
China Clay
20
provides---> ------ Al2O3 SiO2
Silica
10
provides---> ------ --------- SiO2

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