Tag Archives: Metal Foam Filter

In the late 1970s, the United States made a sponge-like ceramic foam filter (CFF) made of alumina and chromium oxide. CFF filter for molten aluminum not only has good purification technology, but also is easy to use. The initial pressure difference through the melt is only 100-150mm, and once it passes, it only needs to […]

Ceramic foam filter for molten metal filtration is used as a means of separating finely divided solid impurities suspended in the melt. For this purpose, it is recommended to use a refractory bed, compacted loose filter material block or screen. It has also been proposed that ceramic foam filter can be used as a filter […]

Porous Ceramic Filter Filtration can remove alumina and other nonmetallic compounds, such as lithium oxide from the molten aluminum lithium alloy. The porous ceramic filter may be a cellular structure or a foam with interconnect pores. As everyone knows, in order to remove alumina from molten aluminum or aluminum alloy, aluminum or aluminum alloy is […]

Aluminium is melted in a melting furnace before further processing and almost always filtration is required. The ceramic foam filter filtration method depends on the casting technique used or the treatment of the molten aluminum. It is generally believed that it is possible and beneficial only when sufficient amounts of metal are used. However, filters […]

Cake filtration is the most common mechanism in which the foam ceramic foundry filters acts as a sieve and retains particles larger than its pore size on the surface of the filter. These retained particles then form a screen and capture particles smaller than the filter aperture. As the cake accumulates on the surface of […]

Ceramic filter filtration is becoming more and more common because people have higher and higher requirements for the quality of aluminum products. The ceramic filter for casting can not only effectively remove a large number of oxide inclusions in molten aluminum, but also filter out a few microns of small inclusions which can not be […]

30 PPI foam filter is suitable for aluminum alloy castings. The choice of ceramic foam filter is very important for a good filtration effect and no pollution to the alloy. Many practices show that the use of ceramic foam filters can remove inclusions, improve the structure of castings, improve the mechanical properties and qualified rate […]

The ceramic filter for aluminum foundry is capable of filtering metal solution slag and metal impurities far better than other filters, and its filtration has a comprehensive physical and chemical effect. Large inclusions are physically screened and retained on the surface of the filter. Due to chemical affinity, small inclusions are adsorbed on the surface, […]

Molten aluminum filtering with ceramic foam filter is the most effective way to remove nonmetallic slag from molten aluminum. In aluminum alloy casting, multilayer glass cloth filters or ceramic foam filters are usually used. No matter which molten aluminum filtering method is adopted, in order to ensure the normal molten aluminum filtration, the surface scum […]

CFF Filter Media is the final filtration step. This is a single-use disposable filter with a strictly controlled pore size. Due to their simple operation and good short-term results, these are usually the only filtration equipment in many foundries. The three key parameters of CFF filter media are: Filter area: the larger the area, the […]