
Rokuro
|
Porcelain
|
Bone-china
|
Stone |
Earthen |
 |
 |
 |
 |

Clay
|
Mixed up mineral stones by ceramic stone, kaolin, feldspar, diatomaceous,
slica, etc and additionally old, particular clay are added for smooth shaping
up. |
Mixed up clay with over 25% of bone-ash, and other minerals as same as
porcelain. |
Mixed ceramic stone with other minerals as same as porcelain.
|
Ceramic clay only, or, mixed with kaolin, feldspar, slica and limestone.
|

Transparent
|
Hold |
Much hold |
Non |
Non |

Peneration
|
Non |
Non |
Non |
Hold |

Basic Color
|
White |
White, or Creamy white |
colored |
colored |

Baking
|
Pre-firing in 850c
Fring in 1300c.temp. |
Pre-baking in 850c
Firing in 1300c.temp
Again,firing in 1050c, after Yuyaku glazing. |
Pre-firing in 850c
Firing in 1300c.temp
|
Pre-firing in 850c
Firing in 1250c.temp
for Oribe, Shno, Kiseto
|

Etsuke
(Pattern)
(Paint)
|
The products, in generally, used to be printed, paint, patterned in prior
of Yuyaku glazing. called "Sometsuke". Doing after Yuyaku is
called "On Glaze," Doing after once firing and refiring with
low temp. around 100c, is" In Glaze", Also, "Ua-Etsuke"
, doing as same as In Glaze, but in refiring with high temp. aound 750c. |
Some of designs are shown in Design page, in thousands variations of "Etsuke",for
your information. |

Yuyaku
(Glaze)
|
It is popular for porcelain to use transperent Yuyaku mixed with solvent
by Natural ash, Talcum, Lime |
Most of factories use Flit Yuyaku, to keep transparent in low temp. firing. |
Natural Yuyaku are used to keep a natural character of foundation. Natural
ash, is the most useful.
|
Various and traditional Yuyaku(Glazes) have been used through the history.
Also, factories use such Yuyaku convinced to each foundation
|
Remarks
|
It makes metaric sound when to beat.
The material mostly is used for Western table ware |
Called "Fine Bone China" obtains over 50% of bone ash and that
has creamy white color in soft touch also, has much tranparency
|
It is called as of "Stone", that has no peneration, non transparent,
and non white color. Bizen, Banko, Tokoname, is famous in Japan
|
|
|
|
|
|
|
  |