The appearance of porcelain glaze has put on the splendid neon of the porcelain, giving the porcelain or the elegant and colorful different temperament. The porcelain glaze is not only the smooth and beautiful side of the porcelain that we can see and feel. There are many learning needs to be learned. Let's take a look at the main components of the glaze.
Glazed fruit: the glazed stone (that is, the porcelain stone made of rice glaze) is made up of fine bricks and made of bricks, commonly known as "glazed fruit". Glazed fruit should not be washed until it is used. Glaze can be glazed as long as it is mixed with glaze.
Glaze ash is made of limestone and wolfgrass or Pteris grass. Its main component is calcium carbonate, and contains some quartz, potassium, sodium and other compounds, mainly to play a role in melting. The glaze ash is used as the head ash and two ash at the time of use: the name is the head ash only by crushing, sifting and washing, and then impregnated with human beings for one to two months, then the name is two ash.
Glaze paste: glaze of porcelain, in order to facilitate hanging, it is generally made of glaze paste. According to the literature, in the Ming and Qing Dynasties, the process of preparing glaze slurry in Jingdezhen was: first, wash the glaze ash with water, and then mix it with white clay (i.e. glaze fruit) to form paste. The proportion of marl depends on the type of utensil. "Mud ten basin, ash a pot for glaze. Mud seven or eight, ash two or three in the glaze. If the original or ash is much lower. "The general rule is: the glaze ash is used too little, and the glaze will appear water wave and other glaze diseases after the burning. The glaze is used too much, the glaze's melting degree is low and the glaze is smooth, but the glaze is easy to pan green or pan gray.