Polycrystalline aluminum oxide plate is an ultra-high temperature insulation plate, which is divided into 1800 ℃ and 1900 ℃ types. The content of Al2O3 is high, and the service temperature reaches 1700 ℃ and 1800 ℃ respectively. The product structure is polycrystalline structure, with high strength, scouring resistance, corrosion resistance, high temperature resistance, no deformation, no differentiation, and long service life.
The polycrystalline aluminum oxide plate has special production process, high firing temperature, milky white color and high purity. It is an environment-friendly product with no pollution in the process of use. It is a working lining product for thermal insulation applied in ultra-high temperature industrial furnaces.
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