Generally speaking, porcelain containing 25% bone powder in raw materials can be called bone porcelain, and internationally recognized bone powder content is higher than 40%. The best bone China generally contains 45% high-quality bovine bone powder. Among them, bone powder accounts for more than 40%, and the color of the appliance is milky white, which belongs to high-grade bone porcelain.
Bone China selection:
1. The lamp source is covered with bone China, which has strong light transmission and soft color and is the top grade.
2, the whole body is milky white, the glaze is smooth, and the porcelain is light and thin.
3, tap with a porcelain spoon or flick with your fingers, crisp and loud, just like Hong Zhong.
Extended data:
Maintenance methods of bone China:
1. When the porcelain surface is stained with oil, it can be cleaned with warm water, and the water temperature does not exceed 80℃; If it is not easy to clean, you can add a little edible vinegar to the water and then clean it.
2. If the appearance is scratched, you can gently polish it with toothpaste; When cleaning with wet cloth or hands, be careful not to be too big to avoid touching porcelain.
3. Do not directly soak the heated bone China tableware in cold water, so as not to damage the porcelain due to the rapid temperature change.
4. The PH value of emulsion must be between11-11.5.
5. It is best not to use it in case of sudden high temperature to avoid bursting.
6, be sure to wash by hand, don't use the dishwasher. If you really don't want to wash by hand, choose a dishwasher with "porcelain crystal" washing function.
Baidu encyclopedia-bone China
Baidu encyclopedia-bone China tableware