The third firing and over glazing of a Ceramic piece

This is the phase to which "china" is decorated. Again there are many different techniques used to decorate pieces. The third firing also follows a different kiln schedule. This requires a much shorter firing time, at a much cooler temperature.

The term "over glaze" describes materials used to decorate a fired, glazed surface. There are three categories for over glaze decoration:

1. China paints : Are similar to one strokes in color and semi - transparent paints.

2. Metallic's : Minerals such as gold, white gold, platinum and lusters that are metal based.

3. Decals : Can either be comprised of china paint or metallics.

With proper firing, over glaze decorations become a permanent part of the piece and provide a durable finish. The glaze softens just enough to take in the colors over it. Over glaze firing is the trickiest firing a ceramist does.

Lusters, such as Mother of pearl, Halo pearls, Opals, Platinum, Halo Platinum, and Bright Golds are highly reflective and mirror like. During the 4th and 5th firing , again the over glazed piece releases a gas. Proper ventilation is imperative. Firing time for over glazes ranges from 4 - 6 hours , and cooling time an range from 12 - 24 hours.

For more information regarding the karatage of gold please visit the "Karatage of Gold" link on the left.

For more information regarding cooling please visit the "Cooling Time" link on the left.