POSCO’s Granulated Blast Furnace Slag Used for Green Building Materials

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[Courtesy of POSCO]

SEOUL — Granulated blast furnace slag is a by-product of the steel industry that can be produced by rapidly cooling iron ore slag. It can be recycled into cement to increase the strength and durability of concrete. Continental New Materials will use granulated blast-furnace slag produced by South Korean steel company POSCO to produce environmentally friendly building materials.

Continental New Materials is a venture company that manufactures environmentally friendly building materials by receiving lime-free cement manufacturing technology from Ulsan National Institute of Science and Technology (UNIST). POSCO will stably supply granulated blast furnace slag, while POSCO E&C will support quality checking on construction sites.

“We will continue to provide support so that POSCO’s steel by-products can become environmentally friendly cementitious materials and contribute more to reducing carbon emissions,” said Kim Dae-up, head of POSCO’s hot-rolled and wire rod marketing division, in a statement. February 25.

Through its connection with POSCO, Continental New Materials said it will expand the development of environmentally friendly, low-carbon cement products based on granulated blast-furnace slag. Eco-friendly cement used for construction materials such as sidewalk blocks developed by Continental New Materials is expected to expand its application to construction sites.


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