... great reputation.3.Ferro silicon magnesium with Rare earth is a good inoculant, which joined in ferrosilicon, calcium, magnesium and alloys ... stability, its appearance is blond, a metallic luster, hard and easily broken.Suitable for steel, cast iron, or made as additive in ... rare earth middle alloys. Used as grey, nodular cast iron and vermicular iron inoculant, it is all sorts of ...