... remove inclusions and slag from steel, copper-based metal alloys, aluminium, etc. Able to withstand pouring temperatures up to 1650°C ... casting up to 1650°C -- Used for filtration of molten aluminium,Copper,Iron,and small scale Steel. Silica Mesh Casting Filter ... casting up to 1450 °C -- Used for filtration of molten aluminium, Copper,Iron. aluminium mesh filter