Ground Granulated Blast-furnace Slag

Independent Cement and Lime Pty Ltd (ICL) was established in 1987. ICL is a specialist supplier of cement and cement-blended products as well as Supplementary Cementitious Materials such as slag and fly-ash. ICL supplies a wide variety of industries throughout Victoria and NSW including:

• Concrete manufacturing
• Concrete product and precast concrete manufacturers
• The mining sector
• Road construction and rehabilitation
• Cementitious building products
• Packaged cement products to the retail and hardware sectors

Ground Granulated Blast-furnace Slag (GGBFS) powder is a fine white powder used in concrete. Slag is produced in iron and steel manufacturing process as a by-product. Molten slag is extracted from iron ore at elevated temperature (approximately around 1 500ºC) and rapidly water quenched to obtain reactive granular slag particles. The granular blast furnace slag is then dried and milled with optimized quantities of gypsum in Vertical Roller Miller (VRM) to cement fineness.

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