Firing of Bizen Pottery
In this section I introduce firings such as Goma, Sangiri, Hidasuki,
Botamochi, and Yohen.
Goma:
When the temperature in the kiln reach the highest degree(about 1300
degree), the surface of potteries start melting. At that time, ash of
red pine trees stick to potteires, and then melt together on the surface
of them.
Sangiri:
Before stopping firing much charcoal(using about 700kilogram)are
thrown
into the kiln. The chemical reaction of charcoal happens on
potteries.
Hidasuki:
Rice straws are put on potteries or rolled on potteries, and then fired
in the kiln. You can see scarlet (orange) lines on the surface of
potteries.
Botamochi:
Senbey(s) is put on potteries. Senbey is a kind of fireproof mud(Form
is a circle.). In the kiln the temperature is about one thousand three
hundred degree when potteries are fired. In spite of a high temperature
Senbey never break. After Senbey(s) is put on potteries and then fired
in the kiln, Botamochi appears. Botamochi means a kind of Japanese rice
cake. You can see circles on pottery.
Yohen:
Potteries(ex. a pot and a sake bottle) are laid on the floor in the
kiln, and then fired. In the kiln the ash of pine trees and charcoals
accumulate around potteries. After firing in this condition, very
beautiful patterns appear.