The silicon carbide foam ceramic filter is mainly used in the casting industry to adjust the flow rate, purify the flow and improve the casting quality. There should be clear requirements for product pore size and thickness. The smaller the pore size, the better the filtering effect, but the greater the obstruction to flow. Generally, the pore size of the silicon carbide foam ceramic filter for steel castings is 10 ppi, and the ductile iron casting factory uses 15 ppi or 25 ppi to purify the flow and achieve good filtering quality. The thicker the silicon carbide foam ceramic filter is, the stronger the strength is, and the better the filtering effect is. However, the higher the use cost is. The general thickness is 20-22mm, which is suitable.
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