Ferro alloy
Silicon Metal 2202 High Pure Aluminum Alloy Use Silicon Metal 441 3303 2202 553 2201
1.The deposition of polycrystalline silicon on plastic substrates is motivated by the desire to be able to manufacture digital displays on flexible screens. 2.Polysilicon has many applications in V...
DESCRIPTION
1.The deposition of polycrystalline silicon on plastic substrates is motivated by the desire to be able to manufacture digital displays on flexible screens. 2.Polysilicon has many applications in VLSI manufacturing. 3.Polycrystalline silicon is the key feedstock in the crystalline silicon based photovoltaic industry and used for the production of conventional solar cells.
| Silicon Metal Grade | chemical composition | ||||
| Si (%) | Impurities(%) ≤ | ||||
| Fe | AI | Ca | P | ||
| 1501 | 99.69 | 0.15 | 0.15 | 0.01 |
0.004 |
| 1502 | 99.68 | 0.15 | 0.15 | 0.02 | |
| 1101 | 99.79 | 0.1 | 0.1 | 0.01 | |
| 2202 | 99.58 | 0.2 | 0.2 | 0.02 | |
| 2502 | 99.48 | 0.25 | 0.25 | 0.02 | |
| 3303 | 99.37 | 0.3 | 0.3 | 0.03 | |
| 411 | 99.4 | 0.4 | 0.1 | 0.1 | |
| 421 | 99.3 | 0.4 | 0.2 | 0.1 | |
| 441 | 99.1 | 0.4 | 0.4 | 0.1 | |
| 551 | 98.9 | 0.5 | 0.5 | 0.1 | |
| 553 | 98.7 | 0.5 | 0.5 | 0.3 | |
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