Main » PRODUCTS & SERVICES » Aggregates and construction materials » Raw materials for cement manufacturing Raw materials for cement manufacturing Steel manufacturing by-products such as Electric Arc Furnace slag, Ladle Furnace and mill scale are valuable secondary raw materials for the cement industry. Mill scale A by-product of the steel production, mill scale is an attractive alternative source of iron oxides for the... Read more Electric Arc Furnace slag Produced during carbon steel production, Electric Arc Furnace slag is a manufactured aggregate which is a... Read more Ladle Furnace slag Ladle slag is produced during the secondary refining of steel and is a valuable source of calcium oxide for... Read more