Ceramic marks are used in 4 standard methods: incised, pleased, painted, printed
Incised or Impressed Marks
The incised mark is used by hand after making the fundamental design in china clay and prior to the very first shooting at about 900 ° C (biscuit shooting). The clay is still soft and this makes it simple to use the mark.
Pleased marks follow the very same treatment, however the mark will be marked into the clay. This approach is in some cases utilized to determine undecorated white porcelain or white blanks.
The underglaze mark is a handpainted or printed mark that is used after the biscuit shooting however prior to the glaze is used.
Metal oxides are utilized that are resistant to the high kiln temperature levels of the glaze-firing proces (about 1400 to 1450 ° C).
Cobalt is the most typically utilized metal oxide and it provides an underglaze blue mark.
The overglaze mark is a handpainted or printed mark that is used after the glaze shooting and prior to the last shooting.
Painted marks, normally name or preliminary marks, are included over the glaze at the time of decoration, as were some stencilled marks.
Painted marks likewise utilize metal oxides that can be utilized throughout the last shooting which is not as high as the glaze shooting procedure (about 800 ° C).
You will discover overglaze marks in various colours, nevertheless red (iron oxide) and green (copper oxide) are utilized most.
Gold can likewise be utilized, however the temperature level in the kiln durng the last shooting procedure can not go beyond 400 ° C.
Overglaze marks are utilized by painters and designers on formerly glaze fired things.