We can offer you Granulated Blast Furnace Slag for cement industry. 25000 mt to 200,000 Mt/ monthly WE have requirement for Granulated Blast Furnace Slag with the following spec Specs: CaO: 35.19%; SiO2: 32.94% ; Al2O3: 18.18% ; Chloride 0.06 %; Fe2O3: 1.68%; MgO: 6.25%; Na2O: 0.34%; SO3: 1.12%; TiO2: 0.42% Insoluble Residue: 1.89%; Glass Content: 94 ( Optical Microscopy)