What oxides might be found in a typical stoneware glaze?

 Unit 1 Topic 14
Glaze Basics
A typical stoneware glaze recipe would include raw materials which, when fired, would release the necessary oxides to form a glass melting at a particular temperature.

Raw Material
Recipe
 

Flux
Oxides

Stabiliser Oxides

Glass
Oxides

Feldspar
Whiting
China Clay
Siica

40
30
20
10

provides >>
provides >>
provides >>
provides >>

K2O, Na2O, CaO
CaO
------
------

Al2O3
------
Al2O3
------

SiO2
------
SiO2
SiO2

This simple analysis only indicates the oxides provided. Quantifying the numbers of molecules entering the glaze melt requires detailed calculations.
Menu of Study Units
Check out >>