Ground granulated blast furnace slag is popularly used for producing cement as it offers improved finesse and replaces Portland cement. As it is a by-product of iron blast furnace, the molten slag tends to chill slowly and produces glassy granules that deliver desired cementitious characteristics. QY Research has recently published a report titled "Global Ground Granulated Blast-furnace Slag (GGBFS) Market Research Report 2019-2025" predicting the potential growth opportunities that lie in the global market. According to the report, the global ground granulated blast furnace slag market was worth US$9.0bn in 2018 and is expected to reach US$9.5bn by the end of 2025, registering a CAGR of 1.86% during the forecast period.