How can clay sculptures not be cracked and preserved for a long time?
Unless you do otherwise could not crack with sludge, we do things often water and with a damp cloth and plastic cloth, or not how long will crack, another way is to turn out. China ancient sculptures are not easy to crack because it has very strong technology, the mud and gum. What are mixed together, do not remember the specific, there is no such process.
1. Keep moisture - covered with plastic sheeting;2, reduce the amount of water used during the mud and more or more times, or use mechanical agitation, and then after a long time of boring mud, or add water reducing agent to reduce moisture;3, add other modified substances - add glue, calcined fine powder and so on;4, the process should pay attention to not too much smearing the surface.
Kaolin, sculpture and other clay materials, after drying with water, there is a big contraction, which led to cracks. Do not want to crack
