The basic material of alumina foam ceramics is Al2O3. The melting point of alumina is 2050°C, which as a neutral and good high-temperature resistant material. It is mainly used in the purification process in the production of aluminum, aluminum alloys and other non-ferrous alloys. It can also be used in various gas-solid, liquid-solid separation media, catalyst carriers, burners, sound absorption and environmental protection and other fields.

Alumina foam ceramic filter products effectively remove solid inclusions in molten metal, allowing aluminum alloys to smoothly undergo processes such as forging, aluminum foil manufacturing, and extrusion processing to obtain high-quality aluminum products. In order to meet the increasing quality requirements of aluminum castings, the use of alumina foam ceramic filters (plates) is becoming more and more important.

OBBO foam ceramics are not only used to filter impurities, but are also used in air filtration, high-temperature ceramic catalyst carriers, photocatalysts, aquarium filtration, etc. However, when used in different scenarios, the shape requirements of the product become diverse. It is very difficult to produce ceramic sheets of the opposite sex, especially hollow tubular ones, which makes them very expensive. Today, OBO has broken through technical barriers and is producing high-quality special-shaped tubes or plates at affordable prices. 

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