Ground Granulated Blast Furnace Slag (GBFS,GGBFS) This product is Portland cement 30-70% of moderate to replace cement, ordinary cement in the middle 20-40% of cement volume on behalf of, you can prepare C30-C80 high-performance concrete. Impermeability of concrete prepared significantly improved raised more than twice the corrosion resistance, wear resistance is increased more than three times; alkali aggregate reaction expansion rate lower than 80%, three-day hydration heat reduced 15-20%. particularly the use of the product significantly improved the performance of concrete construction , increased mobility, reduced secretion of water for pumping, no vibration, high fluidity (slump greater than 20CM) concrete preparation. This product is a preparation of high quality concrete admixture. 1.Standard: BS6699. 2.Supply ability:50,000tons per month. 3.Package: Packing in bags,with 1.5MT per bag. 4.Quotation: The CFR Doha price is USD80/TON. 5.Payment term:30% of the total amont by T/T as deposit,and balance before shipment. 6.Delivery time: If the quantity is 10000tons,the delivery time is 10 days. If you have any query,please dont' hesitate to contact me.