Low price silica fume function for refractory
The main chemical composition of the micro silica fume is SiO2, content can up to 98%. Its elements include Fe2O3, Al2O3, CaO, K2O, Na2O, MgO, C, etc. The bulk density of raw ash is 150-200 kg/m3. For transportation and construction application, the original ash must be densified. The bulk density…