Thirteen differences between bone china and new bone china

Thirteen differences between bone china and new bone china 1. Origin: bone china developed by the first porcelain white porcelin dinnerware factory in cooperation with the Ceramic Research Institute. The new bone china production area is Zibo, Shandong, developed by Shandong Institute of Silicate Research and Design. 2. Composition: The content of bone china bone powder refers to the content of the chemical component 'tricalcium phosphate'. The tricalcium phosphate in bone china is the natural bone meal in animal ashes, mainly bovine bone meal from Qinghai, Tibet, and Inner Mongolia, the best is calf bone meal between 2-4 years old; the tricalcium phosphate in new bone china is artificial Synthetic. 3. Bone meal: more than 40% bone meal is added to bone china; no bone meal is added to new bone china. 4. Production: Bone china is fired twice, biscuit fired at high temperature and glaze fired at low temperature. The new bone china adopts one firing and low-temperature glaze firing. 5. Lead: The lead content in bone china is generally lower than that in new bone china. 6. Color: The color of bone china is natural milky white, commonly known as yellowish, the higher the content of bone powder, the more milky white, the lower the content of bone powder, the yellower the new synthetic chemical raw materials for bone china are added with a certain whitening agent. 7. Sound: Bone china collides with your flat hands, making a crisp 'clang' sound, and there is an echo, the echo time is longer, the higher the grade, the more obvious the characteristic of bone china (bone china) The effect of the bowl experiment is more obvious); new bone china and other porcelains make a dull 'ding' sound when they collide, and there is basically no echo. 8. Weight: bone china is the lightest; new bone china is second; white porcelain is the heaviest. 9. Fetal quality: bone china is thinner; new bone china is relatively thicker. 10. Appearance: The second-time firing of bone china has high regularity and bright glazed surface; the first firing of new bone china is relatively second. 11. Light transmittance: bone china has better light transmittance; new bone china has the second highest light transmittance. 12. Type: bone china contains low viscosity of bone powder, so compared to other chinaware ceramic, it is difficult to fire complex types. 13. Price: Generally speaking, the price of new bone china is higher than that of bone china, but it is mostly the result of Tian Ji's horse racing. Because the tricalcium phosphate in the new bone china is artificially synthesized, it can be mechanized, while the tricalcium phosphate in bone china is a natural component in animal bone ashes, so animals cannot be mechanized, and the tricalcium phosphate in animal bone meal cannot be quantified. Production. The cost of solid bone china is higher than that of new bone china. Secondly, because bone china contains bone powder, the viscosity of the shares is very low, so it is more difficult to manufacture than new bone china, and the cost is relatively high.
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