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Introduction and application of alumina crucible
作者: admin
发表日期::2021-09-13 09:44:51
详细介绍:
In many chemical experiments, we can see the figure of alumina crucible. Alumina crucible is widely used and has superior performance. However, many people still know little about alumina crucibles. Let's share the knowledge of alumina crucibles.
 
   alumina crucible has good resistance to rapid cooling and rapid heating, and is not easy to crack. Since the alumina crucible is being grouted, the density is very high. Corundum crucible has good high temperature insulation and mechanical strength in oxidation and reduction atmosphere. It has large thermal conductivity and small coefficient of thermal expansion. Exposure to air, hydrogen and water at temperatures exceeding 1700 ° C. Steam, carbon monoxide, etc. cannot react.
 
  alumina crucible also includes thermal analysis crucible. The thermal analysis crucible is mainly used for laboratory analysis. Use TGA instrument. The thermal analysis crucible has high thermal conductivity and fast heat transfer between the sample and the crucible to ensure that the amount between them is very small. The temperature difference and temperature distribution are uniform. The structure and performance are stable. The high-purity powder is combined with the precision controlled high-temperature sintering process to form a dense and uniform microcrystalline phase structure, so as to ensure that there are no peaks in the process of use, and it is not easy to have physical and chemical reactions with the analytical samples. Ultra high temperature stability, wide working temperature range, higher working temperature can reach 1750 degrees. It has high reusability. It can be washed with water or 10% hydrochloric acid, dried and reused without affecting the experimental results.

Alumina crucible has a wide range of applications, which can be used for the analysis of metal and non-metal samples and molten materials in various laboratories. It can also be used to burn color materials, toner, frit, pigment and luminescent materials in shuttle kiln and push plate kiln, Small experimental kiln, experimental electric furnace, formula adjustment, etc; Smelting metals, precious metals, optical glass, used for analyzing and firing rare earth and other mineral materials, firing ceramic powder and other high-temperature products.
 
   the above is about alumina crucible. I hope you can have a deeper understanding of alumina crucible through the above contents.

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