3303 Silicon Metal Powder Description
Silicon metal powder 3303 plays an important role in polysilicon production. Polysilicon is a key material for high-tech products such as solar cells and integrated circuits. And as one of the raw materials of polysilicon, 3303 silicon metal powder can be converted into high-purity polysilicon through processes such as melting and crystal growth. Therefore, the quality and performance of industrial silicon powder directly affects the quality and performance of polysilicon.
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| Silicon powder | Size (mesh) |
Chemical Composition % | |||
| Si | Fe | Al | Ca | ||
| ≥ | ≤ | ||||
| Chemical silicon powder |
Si-(20-100 mesh) Si-(30-120 mesh) Si-(40-160 mesh) Si-(100-200 mesh) Si-(45-325 mesh) Si-(50-500 mesh) |
99.6 | 0.2 | 0.15 | 0.05 |
| 99.2 | 0.4 | 0.2 | 0.1 | ||
| 99.0 | 0.4 | 0.4 | 0.2 | ||
| 98.5 | 0.5 | 0.5 | 0.3 | ||
| 98.0 | 0.6 | 0.5 | 0.3 | ||
| Silicon powder for refractory | -150 mesh -200 mesh -325 mesh -400 mesh -600mesh |
99.6 | 0.2 | 0.15 | 0.05 |
| 99.2 | 0.4 | 0.2 | 0.1 | ||
| 99.0 | 0.4 | 0.4 | 0.2 | ||
| 98.5 | 0.5 | 0.3 | 0.2 | ||
| 98.0 | 0.6 | 0.5 | 0.3 | ||
| Low-grade | -200 mesh -325 mesh |
95-97 | Impurity content≤3.0% | ||
| Type | Chemical Composition (%) | |||
| Si(Min) | Max | |||
| Fe | Al | Ca | ||
| Si-1101 | 99.7 | 0.1 | 0.1 | 0.01 |
| Si-2202 | 99.5 | 0..2 | 0.2 | 0.02 |
| Si-3303 | 99.3 | 0.3 | 0.3 | 0.03 |
| Si-411 | 99.3 | 0.4 | 0.1 | 0.1 |
| Si-421 | 99.2 | 0.4 | 0.2 | 0.1 |
| Si-441 | 99.0 | 0.4 | 0.4 | 0.1 |
| Si-553 | 98.5 | 0.5 | 0.5 | 0.3 |
| 97% | 97 | 1.3 | 1.0 | 0.3 |
| Size | 10-100mm 90% MIN/10-50MM 90% MIN | |||
Firstly, the choice of raw materials is crucial to the quality of silicon metal powder. Suitable raw materials can ensure the stability and purity of the product. When selecting raw materials, factors such as silicon content, impurity content and particle size need to be considered to ensure the quality of the final product.
Secondly, crushing and grinding are the key links in the production process of silicon metal powder. In the crushing and grinding process, the selection of appropriate equipment and process parameters plays an important role in influencing the particle size distribution and particle shape of the product. By reasonably controlling the parameters in the crushing and grinding process, the desired particle size and shape can be obtained and the quality of the product can be improved.
Sieving is another key link in the production process of silicon metal powder. The particle size distribution of the product can be controlled through screening to improve the uniformity and consistency of the product. Appropriate selection of sieving equipment and sieve size, as well as adjusting the vibration frequency and amplitude and other parameters in the sieving process, can achieve accurate particle sorting and improve the quality of the product.
Finally, refining is an important part of the production process of silicon metal powder. Through the refining process, the impurities and residues in the product can be removed, and the purity and quality of the product can be improved. The key control techniques in the refining process include temperature control, reaction time and reactant ratio. Reasonable refining process can improve the purity and stability of the product and meet the needs of different applications.
Silicon Metal Powder Si 98%
Silicon Metal Powder Si 99%
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Si Metal Powder 3303
FAQ
Q : How can you control your quality?
A : For each production processing, ZhenAn have complete QC system for the chemical composition and Physical properties. After production, all the goods will be tested, and the quality certificate will be shipped along with goods.
Q: Are you a manufacture or trader?
A: Both, we not only can provide the high quality products with the best price, but also can offer the best pre-sale service and after-service.
Q : Do you provide free samples?
A : Of course, free samples are available.
Q: What is your lead time of Silicon Metal Alloy 2202?
A : It usually needs about 15- 20 days after receiving the PO.
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