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The main use of metallic silicon is as an additive in non-ferrous alloys. Silicon metal is a product produced by smelting quartz and coke in an electric heating furnace. The content of the main component silicon is about 99%
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| Grade | Si | Fe | Al | Ca |
| ≥ | ≤ | |||
| 3303 | 99.5% | 0.3% | 0.3% | 0.03% |
| 311 | 99.5% | 0.3% | 0.1% | 0.1% |
| 441 | 99% | 0.4% | 0.4% | 0.1% |
| 551 | 98.5% | 0.5% | 0.5% | 0.1% |
| 553 | 98.5% | 0.5% | 0.5% | 0.3% |
| 851 | 98.5% | 0.8% | 0.5% | 0.1% |
| Off-grade Silicon | 97% | 1.5% | 0.5% | 0.3% |
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Silicon metal application: aluminum ingot factory/aluminum material manufacturer
1. Aluminum alloy
It can improve the existing properties of aluminum such as castability, hardness and strength. Adding silicon metal to aluminum alloys makes them strong and lightweight.
Therefore, they are increasingly used in the automotive industry. For replacement of heavier cast iron parts. Auto parts such as engine blocks and tire rims are the most common cast aluminum silicon parts.
2. Solar industry and electronics industry
Silicon metal can also be used as a basic material in the solar and electronics industries. For example, it can be used to make solar panels, semiconductors and silicon chips.
3. Production of silicone rubber, silicone resin, silicone oil, etc.
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