Ceramic jar type classification
Ceramic jar cups are divided into general porcelain, strengthened porcelain, magnesia porcelain, and bone porcelain according to the porcelain quality. General grade y requires porcelain and strengthened porcelain, medium grade magnesia porcelain, and advanced grade bone porcelain.
Production method classification
Generally divided into three categories: overglaze ceramic jars, in-glaze ceramic jars, and underglaze ceramic jars.
The on-glaze ceramic jar is made of decals made of pigments and attached to the surface of the glaze or painted directly on the surface of the product, and then baked at a low temperature. Because the baking temperature does not reach the degree of melting of the glaze, the flower surface cannot Sink into the glaze. Touch the overglaze ceramic jar with your hand, and you will feel the flower surface has a significant bumpy feeling;
The baking temperature of the in-glaze ceramic jar can melt the glaze, and the pigment can sink into the glaze, and be covered by the glaze layer after cooling. The product has a smooth surface without significant unevenness when touched;
The underglaze ceramic jar is all decorated on the porcelain blank. After applying the glaze, it is fired at a high temperature. The flower surface is covered by the glaze layer, which looks bright, flat, and feels smooth.