# Silicon

Pyanodons item · internal name `silicon` · 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/silicon/

## Produced by (2 recipes)

### Silicon (`silicon`)

- 5 s · tier 4 · productivity modules allowed
- Ingredients: 20 × [Pure sand](https://factorio.kalzumeus.com/item/pure-sand.md), 20 × [Coal dust](https://factorio.kalzumeus.com/item/coal-dust.md)
- Results: 10 × [Silicon](https://factorio.kalzumeus.com/item/silicon.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Silicon processing - Stage 1](https://factorio.kalzumeus.com/tech/silicon-mk01.md)

### Breed silicon (`pa-silicon`)

- 15 s · tier 5
- Ingredients: 10 × [Coal](https://factorio.kalzumeus.com/item/coal.md), 1 × [Proton donor](https://factorio.kalzumeus.com/item/proton-donor.md)
- Results: 20 × [Silicon](https://factorio.kalzumeus.com/item/silicon.md), 0.3 × [Crystallographic substrate](https://factorio.kalzumeus.com/item/crystallographic-substrate.md) (30% chance)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nucleosynthesis](https://factorio.kalzumeus.com/tech/nucleo.md)

## Used in (12 recipes)

- NiSi (`nisi`, tier 4) → [NiSi](https://factorio.kalzumeus.com/item/nisi.md)
- Trichlorosilane (`trichlorosilane`, tier 4) → [Trichlorosilane](https://factorio.kalzumeus.com/fluid/trichlorosilane.md)
- Advanced casting (`hotair-mold`, tier 5) → [Advanced casting](https://factorio.kalzumeus.com/item/mold.md)
- Advanced casting (`mold`, tier 5) → [Advanced casting](https://factorio.kalzumeus.com/item/mold.md)
- Breed aluminium (`pa-aluminium`, tier 5) → [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md)
- Dimethyldichlorosilane (`dimethyldichlorosilane`, tier 5) → [Dimethyldichlorosilane](https://factorio.kalzumeus.com/fluid/dimethyldichlorosilane.md)
- Molten super steel (`molten-super-steel`, tier 5) → [Molten super steel](https://factorio.kalzumeus.com/fluid/molten-super-steel.md)
- Molybdenum Silicon Titanium Aluminium Nexelit Special Alloy (`mositial-nx`, tier 6) → [Molybdenum Silicon Titanium Aluminium Nexelit Special Alloy](https://factorio.kalzumeus.com/item/mositial-nx.md)
- Tetraethyl orthosilicate (TEOS) (`teos`, tier 6) → [Tetraethyl orthosilicate (TEOS)](https://factorio.kalzumeus.com/fluid/teos.md)
- Nanocrystalline core (`nanocrystaline-core`, tier 7) → [Nanocrystalline core](https://factorio.kalzumeus.com/item/nanocrystaline-core.md)
- Nanowires (`nano-wires`, tier 7) → [Nanowires](https://factorio.kalzumeus.com/item/nano-wires.md)
- Molten super steel (`full-molten-super-steel-3`, tier 9) → [Molten super steel](https://factorio.kalzumeus.com/fluid/molten-super-steel.md)