# Electronic Grade Silicon

Pyanodons item · internal name `eg-si` · stack size 100 · first craftable in tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/item/eg-si/

## Produced by (1 recipes)

### Electronic Grade Silicon (`eg-si`)

- 10 s · tier 4
- Ingredients: 50 × [Pure Trichlorosilane](https://factorio.kalzumeus.com/fluid/pure-trichlorosilane.md), 100 × [Hydrogen](https://factorio.kalzumeus.com/fluid/hydrogen.md)
- Results: 2 × [Electronic Grade Silicon](https://factorio.kalzumeus.com/item/eg-si.md), 100 × [Hydrogen chloride](https://factorio.kalzumeus.com/fluid/hydrogen-chloride.md)
- Made in: Advanced foundry MK 01, Advanced foundry MK 02, Advanced foundry MK 03, Advanced foundry MK 04
- Unlocked by: [Silicon processing - Stage 1](https://factorio.kalzumeus.com/tech/silicon-mk01.md)

## Used in (4 recipes)

- Silicon wafer (`silicon-wafer`, tier 4) → [Silicon wafer](https://factorio.kalzumeus.com/item/silicon-wafer.md)
- Polycrystalline slab (`polycrystalline-slab`, tier 5) → [Polycrystalline slab](https://factorio.kalzumeus.com/item/polycrystalline-slab.md)
- Monocrystalline slab (`monocrystalline-slab`, tier 7) → [Monocrystalline slab](https://factorio.kalzumeus.com/item/monocrystalline-slab.md)
- Multi Quantum Dot Cell (`mqdc`, tier 9) → [Multi Quantum Dot Cell](https://factorio.kalzumeus.com/item/mqdc.md)