The production of bone china tableware

The formation of bone china mainly relies on silicon oxide, aluminum oxide and calcium oxide. The higher the content of calcium oxide, the better the color. In nature, there are not many sources of calcium oxide, so animal bone meal is chosen as the source of calcium oxide. In fact, the so-called bone china is a bone china product made from herbivore ashes (mainly Ca3(PO4)2) as raw materials, mixed with high-quality kaolin, quartz and other auxiliary materials, and glaze-fired at 1280°C. Generally speaking, bone china can be called bone china by adding 25% bone powder to the raw material. However, the bone china with the best texture recognized in the world today has a bone powder content of 45%-51%, and bovine bone is better. The production process includes grouting, pressing embryos, dehydration of plaster molds, and processes such as initial firing, glazing firing, and decal baking. After high temperature firing, it becomes a porcelain with high whiteness, high transparency and fine porcelain. During the firing process of bone china, its regularity, whiteness, transparency, thermal stability and other physical and chemical indicators are all required to be extremely high, so the rejection rate is very high. Due to the exquisite materials, fine production, and strict standards, the value is higher than other types of porcelain. The unique firing process and the addition of bone charcoal eliminate the impurities in the porcelain clay. The bone china appears whiter, finer, transparent, lighter, less flawed, and thinner than ordinary porcelain tableware. It has a special visual It has a sense of cleanliness, and its strength is higher than that of ordinary porcelain and twice that of daily-use porcelain. The higher the content of bone meal, the lower the composition of the clay, the easier it is to burn during the production process, and the higher the forming technology is required, which increases the difficulty of firing, so it is more precious. Someone has done such an experiment. Putting 4 bone china cups under the wheels of a Rolls Royce, these 4 crystal cups are capable of supporting the weight of the touring car! High-end porcelain also includes shell porcelain and pearl porcelain, which are similar to bone china. Due to the high cost, there is almost no industrial production, so bone china is recognized as the most high-end porcelain white porcelin dinnerware in the world. (Imperial Court) Full of the master's domineering, enjoy the glory of the emperor, even in the dark can not stop its noble light Play and treasure: 1. British royal family, American middle and upper class people drink tea, mostly use bone china cups. The moment you met bone china, the aristocratic temperament in her bones was inadvertently revealed... 2. Ceramics originated in China, but bone china was created in the UK, and it was a special porcelain tableware for the British royal family for a long time. The gorgeous. Right now, bone china is also a symbol of the identity and status of the owner. 3. A person who collects bone china once said that he should communicate with bone china through touch, sight and hearing. If you don’t understand, you should hold the bone china in your hand, observe the transparency of the bone china in the light, feel the fineness and hardness of the china with your hand, and then lightly flick it with your index finger and thumb, you can hear the bone The porcelain 'ding' made a crisp sound. (Yilu Huakai) When eating is not just a full meal, when eating becomes a fashion of life, what to eat is no longer the subject of our concern, but where to eat has become a self-evident judgment. One kind of taste, one kind of sentiment, one kind of enjoyment and one kind of identity... Royal family's favorites British royal family, American middle and upper class people drink tea, mostly using bone china cups, which have been favored by the British royal family for more than two hundred years , Queen Elizabeth, Prince Charles, Princess Diana are all its distinguished guests. The moment you meet bone china, the aristocratic temperament contained in her bones is inadvertently so elegant. Since the enlightenment era in the 18th century, bone china has shined in the royal family of Europe and has become the delicate bone on the dining table of the nobility. Bone china has been used by the British royal family for nearly 250 years. Queen Catherine of Russia is also a loyal supporter of bone china. She once owned 952 bone china, from the feast of President Roosevelt’s White House in 1902 to the Queen Mary in 1935. The maiden voyage of a luxury cruise ship, to the coronation ceremony of Queen Elizabeth in 1953, was a feast recorded in the annals of history, and Porcelain Dinnerware Set always stood proudly in its exquisite posture. In ordinary people who pay attention to the quality of life in Ou Ou, it is easy to see elegant mistresses brewing flower tea with bone china. The gentle golden borders seem to outline the details of a perfect life. There are many bone china wares that have been favored by the royal family. When you hold the bone china cup and watch the light penetrate the soft milky white, you may as well integrate the meticulousness of life into the stunner in your hand, and you will achieve another story that has been passed down for centuries.
In the past few decades, Porcelain Dish Set production has increased because of the use of catering tableware.
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