Do you know the intrinsic properties of bone china cups?

Do you know the intrinsic properties of bone china cups? Although mechanical strength bone china belongs to the category of soft porcelain white porcelin dinnerware, its mechanical strength is not low. Among traditional chinaware ceramic, it belongs to high-strength porcelain. Its bending strength is 120-160MPa, which is higher than general traditional ceramics 80-120MPa. 30%-50%. Thermally stable bone china has a long columnar main crystal phase, high expansion coefficient and large anisotropy, so the thermal stability of traditional bone china is poor, generally around 160 ℃ (that is, from 160 ℃). -20℃ heat exchange in water does not burst once). Although some experts use zirconia toughening to improve the thermal stability of bone china, the products on the domestic market do not apply this technology well, and most products have poor thermal stability. Glaze hardness bone china uses frit glaze, which is glaze fired at a lower temperature (1050-1150°C), so the glaze hardness is lower than that of ordinary chinaware ceramic, and the hardness is generally 550-600MPa. Generally, the hardness of the glaze surface can be improved by adding porcelain white porcelin dinnerware powder, zircon powder, etc.
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