CERAMIC PRODUCTION PRECEDURE
1. Milling Various raw materials including feldspar, silica, clay and pottery stone are mixed a:d fine-milled in the ballmill.
2.Filter press & Vacuum extrusion The clay body is made by filter-pressing the slip. The pressed body de-aired and extruded to the
required sizethrough the pug mill.
3. Green Making Using appropriated roller head and plaster mould,green body is formed. For the irregular shapes such asteapots and
figurines, slip casting is used.In casting, liquid clay(slip) is poured into plaster moulds and thegreen shape forms on the mould
as the water is absorbed through the plaster mould.
4.Finishing
The rough edges and foot of the green ware are cleaned with wet sponge by automatic edge-cleaning machineor by skilled hand
5. Glazing
To seal the surface of the biscuit body and to give the product its glossy finish, glaze is applied using automaticglaze spraying
line.
6. Glost firing
Carefully loading the glazed ware onto a kiln car, the glazed ware is fired at 12802 C.At the temperature, theglaze powder melts
and turns into a transparent glass layer covering the biscuit body.The glost-fired ware isinspected and ready for the decoration.
7. Lithography
The printed decal is transferred onto the glost ware and dried.
8. Decoration firing
The decal and the ware are fired at appropriated temperatures and the printed patterns permanently fuse ontothe glaze layer to
give permanent durable
decoration.
9.Inspeciton & Packaging
Experienced eyes in the inspection area checks for possible faults in the ware and the
finished ware ispackaged as necessary.