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Specifications
characteristic: Product Name: Microsilica/Silica fume Place of Origin: China Spec.:1)Sio2 85%-90%; Sio2 90%-96% ; Sio>96% 2)Fe2O3 0.2-2.5 3)Accelerated pozzolanic activity: Min.90% 4)density of silica fume550-700kg/m3