What elements does Silicon Metal contain?
Silicon Metal is mainly composed of silicon, and also contains a small amount of impurity elements. Silicon Metal mainly contains the following elements:
1. Silicon element: The main component of Silicon Metal is silicon element, and its chemical symbol is Si. Silicon is one of the abundant elements in the earth's crust and one of the indispensable raw materials in human production activities. The content of silicon element in Silicon Metal is usually above 99%.
| Garde | Composition | ||||
| Si Content (%) | Impurities (%) | ||||
| Fe | Al | Ca | P | ||
| Silicon Metal 1501 | 99.69 | 0.15 | 0.15 | 0.01 | ≤0.004% |
| Silicon Metal 1502 | 99.68 | 0.15 | 0.15 | 0.02 | ≤0.004% |
| Silicon Metal 1101 | 99.79 | 0.1 | 0.1 | 0.01 | ≤0.004% |
| Silicon Metal 2202 | 99.58 | 0.2 | 0.2 | 0.02 | ≤0.004% |
| Silicon Metal 2502 | 99.48 | 0.25 | 0.25 | 0.02 | ≤0.004% |
| Silicon Metal 3303 | 99.37 | 0.3 | 0.3 | 0.03 | ≤0.005% |
| Silicon Metal 411 | 99.4 | 0.4 | 0.1 | 0.1 | ≤0.005% |
| Silicon Metal 421 | 99.3 | 0.4 | 0.2 | 0.1 | – |
| Silicon Metal 441 | 99.1 | 0.4 | 0.4 | 0.1 | – |
| Silicon Metal 551 | 98.9 | 0.5 | 0.5 | 0.1 | – |
| Silicon Metal 553 | 98.7 | 0.5 | 0.5 | 0.3 | – |
| Off-Grade Silicon Metal | 96 | 2 | 1 | 1 | – |
Specification granularity: natural block, 10-100mm, 10-60mm, 3-10mm, 1-3mm, 0-1mm, or customized according to customer requirements.
Packaging: Ton bag packaging (1000kg/bag) or customized according to customer requirements.
2. Impurity elements: Silicon Metal contains a small amount of impurity elements, mainly aluminum, iron, calcium, sodium, potassium and other elements. The content of these impurity elements is generally in the range of a few thousandths to a few percent, which has a certain effect on the purity of silicon.
3. Sulfur element: Silicon Metal also contains a small amount of sulfur element, and its chemical symbol is S. The content of sulfur element is usually in the range of a few thousandths to a few percent. Sulfur element has a certain effect on the performance of silicon, and the content of sulfur element usually needs to be controlled.
4. Oxygen element: Silicon Metal also contains a small amount of oxygen element, and its chemical symbol is O. Oxygen mainly comes from the smelting and oxidation process in the production process of Silicon Metal. Oxygen has a certain influence on the performance of silicon, and the content of oxygen usually needs to be controlled.
5. Nitrogen: Silicon Metal also contains a small amount of nitrogen, whose chemical symbol is N. Nitrogen mainly comes from nitrogen in the air during the smelting process. The content of nitrogen has a certain influence on the performance of silicon, and the content of nitrogen usually needs to be controlled.
Silicon Metal mainly contains silicon and a small amount of impurity elements, and the content of impurity elements has a certain influence on the performance and use of silicon. In order to ensure the quality of Silicon Metal, its composition usually needs to be strictly controlled and analyzed.