My painted porcelains are unique pieces made with the technique of overglaze painting.
This technique is traditionally the most commonly used on porcelain since the eighteen century because it is the most rich and sumptuous form of decoration. In fact the baking at low temperature (between 720 degrees - 800 degrees) allows the use of the full range of possible colors and, also, the use of metals such as gold, platinum, silver and copper. The overglaze painting requires a flux that at a temperature between 720 degrees and 840 degrees binds the pigments or the metal oxides that color the glaze. Since some metal oxides are present in colors (for examples: red and brown have ferrous base, pink and purple have golden base, blue has cobalt base, yellow and green have chromium base) the fusion has the purpose of making react the soluble components with the silica transforming them in an insolvent glass. The solvent is then, a basic substance that mixed with dyes (in the proportion of one part of colored pigments at every four parts of flux) determines the degree of overglaze color's tonality.
That way I can get colors that have the specific tones required by the client.