Ceramic Foam Filter Casting Filtration

Ceramic Foam Filter Casting Filtration uses a three-dimensional network structure and organic foam with connected pores as a carrier, and invades it into a special ceramic slurry with thixotropy, and adopts a special roll extrusion process to make the ceramic slurry evenly spread on the carrier. The skeleton is then dried and solidified and then baked at high temperature. The complex ceramic foam structure can effectively block slag mechanically.

The purification treatment of aluminum melt is to adopt various measures to reduce the undesired gas and solid substances in the aluminum melt to the allowable range, so as to ensure that the performance of the material meets the standard or some special requirements.

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Aluminum alloy is easily oxidized and mixed.
Therefore, preventing and removing gas and oxidation inclusions has become the most prominent problem in the aluminum alloy melting process.
In order to obtain high-quality aluminum alloy liquid, its smelting process must be strictly controlled, and measures must be taken to control it.

When the molten aluminum passes through the complicated Ceramic Foam Filter Casting Filtration, the inclusions accumulate on the surface of the filter, and a layer of “filter cake” is gradually formed, making the flow channel of the molten aluminum smaller.
Therefore, the surface of the new filter media can filter out finer inclusions.
At the same time, the inside of the medium also has a filtering function, which can intercept the inclusions, and there is also a “filter cake” effect inside the filter.

Adtech’s recommendations for the use of Ceramic Foam Filter Casting Filtration
1. Choose the corresponding mesh, and the purification effect should match the casting requirements.
Ceramic foam filter Pore Size (PPI): 10/20/30/40/50/60

30ppi 40ppi Foundry Filter is the most commonly used ceramic foam filter in the aluminum casting industry.
Ordinary aluminum casting usually uses 10-40ppi ceramic filter plates.
Aviation and high-quality aluminum materials usually use 30-60ppi ceramic filter plates.

2. The filter must be handled gently. When not in use, place it in a dry and ventilated place to avoid moisture absorption affecting the strength of the filter.

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