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It combines high silicon purity with carefully controlled aluminum (Al) and calcium (Ca) levels, both of which are important considerations in many silicone manufacturing processes. This balanced chemical composition provides an excellent combination of production performance and cost efficiency.
Yes. Silicon Metal 421 can also be used in aluminum alloy manufacturing where stable silicon content is required.
421 generally contains lower Aluminum content, while Silicon Metal 441 provides a different impurity balance for various industrial applications.
It may be used for certain purification processes depending on production requirements. For applications requiring stricter impurity control, Silicon Metal 1101 and Silicon Metal 2202 are more commonly selected.
Composition
| Content (%) | Si | Fe | Al | Ca |
| 421 | 99.2 | 0.4 | 0.2 | 0.1 |
Explore our Silicon Metal Products and Grades, and Silicone Metal 421 for more information.
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Main Product:
Atomized Ferrosilicon,
Silicon Metal,
Silicon Nitride Raw Material,
Milled Ferrosilicon Powder,
Vanadium-Nitrogen Alloy ,
Ferro Silicon Nitride
