tour_operator2003@yahoo.com.cnProviding detailed description of Cloisonne - one of the traditonal
arts and crafts in Beijing of China
Cloisonne, whose history can date back to over 500 years ago, is well-known
traditional enamelware. It is actually called the "Blue of Jingtai" as blue
is the dominant color adopted for enameling and cloisonne became prevalent during
the reign of Jingtai (1450--1456) in the Ming dynasty. Owing to the brilliant
color and splendid designs, cloisonne has been highly appraised at home and
abroad. Regarding the making of cloisonne, it involves quite elaborate and complicated
processes: base-hammering, soldering, enamel-filling, enamel firing, polishing
and gilding.
Procedure of Cloisonne-making
Base-hammering
This is, in fact, the work of a coppersmith. As copper is easily hammered
and stretched, it is employed to make the body of cloisonne. A sound judgment
is required because it determines the uniformity of thickness and weight. In
contrast to the work of a coppersmith which is ended when the article is shaped,
base-hammering is just the beginning in the making of cloisonne.
Filigree Soldering
The second step can be compared to embroidery, as both require great care
and high creativity. The only difference is that instead of embroidering on
silk, the cloisonne craftsman adheres copper strips onto the copper body. 1/16
inch in diameter, these strips are shaped into what the artisan requires, usually
a complicated but complete pattern. With a blueprint in mind, the craftsman
exerts his experience and imagination in setting the copper strips on the body.
Enamel Filling
Then comes to enamel filling, which requires such basic elements as boric
acid, saltpeter and alkaline. Due to the different minerals added, cloisonne
appears different in color. Usually one with much iron will turn gray, with
uranium, yellow, with chromium, green, with bronze, blue, with zinc, white,
with gold or iodine, red. After ores are ground into fine powder and contained
in plates, workers apply them on the little compartments separated by filigrees.
Enamel Firing
Put the article to the crucible and in a moment the copper body will turn
red. In time of firing re-filling is repeatedly required, as the enamel in the
little compartments will sink down a little after firing.
Polishing
To make the filigree and the filled compartments even, the artisan has to
polish the half finished products again and again. First emery is used. Then
after the whole piece is put to fire again, a whetstone is employed for polishing.
In the end, a piece of hard carbon is required in order that the article will
obtain some luster on the surface.
Gilding
Lastly, place the article in gold or silver fluid with changing electric
current so as to keep the cloisonne free from rust. Another electroplating and
a slight polish are demanded for the exposed parts of the filigree and the metal
fringes of the article.