Granulated blast furnace slag is produced by injecting pressurized water to rapidly cool the molten slag produced in the blast furnace. This product is popular in Japan and other countries for use as raw material for cement.
Ground granulated blast furnace slag produced by pulverizing granulated blast furnace slag is mixed with Portland cement to produce Portland blast furnace slag cement. Portland blast furnace slag cement is economical and environmentally friendly because it conserves resources and energy, leading to reduction in CO2 emissions.