Can the alumina cover of Aluminum Emulsion Jar withstand high temperature?

The alumina cover of Aluminum Emulsion Jar has excellent heat resistance, mainly because after oxidation treatment, a dense alumina layer is formed on the surface of aluminum. The structure and properties of this oxide layer make the aluminum cover have strong high temperature resistance.

The alumina layer has good thermal stability and can usually maintain its structural stability within the temperature range below 600°C. The alumina cover of Aluminum Emulsion Jar can withstand high temperature environment to a certain extent without deformation or damage due to excessive temperature. The thermal expansion coefficient of alumina material is low, and it is not easy to expand or deform when heated, which is very important for maintaining the sealing and structural integrity of the emulsion tank.

The alumina cover can not only withstand high temperature, but also effectively reduce the contact between the emulsion and oxygen in the outside air, thereby reducing the oxidation of the product. The alumina layer itself has a certain protective effect, which can effectively delay the oxidation rate of the emulsion at high temperature and maintain the freshness and quality of the emulsion.

The alumina layer also has strong chemical resistance and can resist the erosion of some common acid and alkali substances or chemicals. It is suitable for use in high temperature environments to protect the emulsion from the external environment.

In daily life, the alumina cover of Aluminum Emulsion Jars usually faces some higher temperatures, such as direct sunlight and heat sources during transportation or storage. However, the alumina cover can effectively cope with such temperature changes and avoid poor sealing or damage to the emulsion product due to excessive temperature differences.

The alumina cover also has a certain thermal shock resistance. Even if the aluminum cover experiences a sudden temperature change (such as rapid heating from a low temperature environment to a high temperature environment), the alumina layer will not easily crack or fall off.