Ceramic Foam Filter Molten Metal Filtration

When pyrotek launched in 1956 its primary product was a glass cloth filter for molten aluminium.

Ceramic foam filter molten metal filtration. Inline filters for casthouse applications can take many forms and are usually categorized into multiple use filter boxes or single use disposable filters such as trough socks and ceramic foam filters cff. Zirconia ceramic foam filter application. Extruded ceramic filters can effectively capture inclusions and reduce turbulence of the molten metal mullite based ceramic material could withstand heavy pouring thermal shock and extreme pouring temperature. The superior dimensional tolerances of selee filters for iron filtration are recognizable at first glance.

Zirconia ceramic foam filters are determined for filtering of steel and steel alloys up to the. The ceramic foam filter cff of selee structure was the first cost effective media to remove non metallic inclusions from molten aluminum. Alumina ceramic foam filter is mainly for the filtration of molten aluminium and alloys in foundries and. All surfaces including the cut sides have the desirable open pore structure of true ceramic foam.

Disa automatic moulding line disa mouding line horizontal and vertical extruded ceramic filter pressed ceramic filter or ceramic foam filter used for molten metal filtration by inserting into filter seat. These filters are precision cut after firing to the tightest dimensional tolerances in the world. Temperature of 1700 c. Molten metal filtration and distribution during aluminum casting it is common practice to use the filter bag made from the heat resistant glass fiber fabric in order to filter the molten aluminiuim that is being poured through a spout and to distribute it all over the mold surface.

Filter cups can easily be removed from the pouring cone prior to the addition of hot topping so that the filter material does not hamper the feedback of the molten metal. Introduced by selee in the mid 1970s and redeveloped with cs x the selee ceramic foam filter continues to be the standard for aluminum filtration in cast houses all over the world. The cellular design also provides an engineered balance between flow rate and strength. Ceramic filters placed in the base of the pouring cone can impede the metal feedback from the hot topping s exothermic reaction because they can t be easily removed.

Fibrete is proved to be very effective for molten metal filtration in almost all types of aluminium foundries including sand permanent mold shell die casting and investment castings and it will be optimized choice to improve casting quality by using the fiberglass fabric mesh filters. With the excellent resistance to attack and corrosion from molten aluminum the filter can effectively remove inclusions reduce trapped gas and provide laminar flow and then the filtered metal is significantly cleaner.