Alumina foam ceramic filter is mainly composed of ZrO2, and its temperature resistance is 1760 ℃. It has very high strength and excellent high temperature impact resistance. Square zirconia foam ceramic filter is used for steel castings, which effectively removes impurities such as slag and refractory fragments from molten steel, improves surface quality, mechanical properties and internal organization quality of steel castings, and reduces scrap rate.
During the casting process, the alumina foam ceramic filter can make the molten steel fill the mold cavity more evenly. Through the three-dimensional structure of the alumina foam ceramic filter, the turbulent flow is turned into a stable laminar flow, thus realizing the compact structure of the steel castings, improving the quality of the steel castings, reducing the impact and corrosion of the molten steel on the casting cavity, and extending the service life of the casting cavity.
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