... slag from steel, copper-based metal alloys, aluminium, etc. Able to withstand pouring temperatures up ... 50~60%. Applications: --Filtering ferrous and nonferrous molten metals --Filtering specialty metals including tool and ... to 1650°C -- Used for filtration of molten aluminium,Copper,Iron,and small scale Steel. Silica ... C -- Used for filtration of molten aluminium, Copper,Iron. aluminium mesh filter