High quality model 441 metal silicon

Product Name:High quality model 441 metal silicon Product profile： The naming of 441 model silicon follows the national industrial silicon standard (GB/T 2881), based on the upper limits of the three main impurities of iron, aluminum, and calcium: the first digit "4" indicates that the iron (Fe) content does not exceed 0.4%, the second digit "4" indicates that the aluminum (Al) content does not exceed 0.4%, and the last two digits "1" indicate that the calcium (Ca) content does not exceed 0.1%. The remaining main content of silicon (Si) is usually guaranteed to be above 99.0%.Thus obtaining the chemical element silicon.     production process: Roughly refining to obtain "silicon": using carbon to reduce quartz sand (SiO ₂+2C → Si+2CO ↑) in a high-temperature electric arc furnace to obtain metallurgical grade industrial silicon with a purity of about 99% or more.chemical element silicon   Efficient resource allocation: To ensure the input-output ratio of internat…

Electrolytic Manganese Metal Silicon Carbide Metallic Silicon