Slag,Granulated blast furnace slag,Furnace slag--GBFS for short Physical and Chemical properties: SiO2: 34.48% CaO: 38.3% MgO: 9.22% Fe2O3: 0.56% Al2O3: 14.49% SO3: 0.07% Mn2O3: 0.25% Insoluble Residue: 0.28% LOI: 0.08% Glass content: 98.6% CaO/SiO2: 1.1% CaO+MgO+SiO2: 82% (CaO+MgO)/SiO2: 1.4% (CaO+MgO+Al2O3)/SiO2 : 1.8% Moisture: 8.2% General Basicity: 1.99% Active index: 63% for 3 days, 80% for 7 days, 105% for 28 days Minimum Order Quantity: 1000 T Supply ability: 100,000 T per month Package: in bulk Delivery time: less than one week, or according to the quantity If you want to learn more about our products, please contact with us.