Definition and historical background of silicon powder

After collecting dust in the chimneys of steel plants, silicon micro-powder was initially defined as fine powder. In the early 1990s, domestic refractory industry mainly used Norwegian silicon powder, which was actually dust collected from the chimneys of steel enterprises, with a fineness at the sub-micron level. At that time, was no use for this product in China. Later, after domestic steel companies discovered this issue, the price of foreign products continued to fall. It was called silicon powder at that time.