# Tetraethyl orthosilicate (TEOS)

Pyanodons fluid · internal name `teos` · first craftable in tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md))
HTML page: https://factorio.kalzumeus.com/fluid/teos/

## Produced by (1 recipes)

### Tetraethyl orthosilicate (TEOS) (`teos`)

- 10 s · tier 6
- Ingredients: 5 × [Silicon](https://factorio.kalzumeus.com/item/silicon.md), 30 × [Chlorine](https://factorio.kalzumeus.com/fluid/chlorine.md), 100 × [Ethanol](https://factorio.kalzumeus.com/fluid/ethanol.md)
- Results: 50 × [Tetraethyl orthosilicate (TEOS)](https://factorio.kalzumeus.com/fluid/teos.md), 30 × [Hydrogen chloride](https://factorio.kalzumeus.com/fluid/hydrogen-chloride.md)
- Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04
- Unlocked by: [Antimonium Silicate](https://factorio.kalzumeus.com/tech/sb-silicate.md)

## Used in (2 recipes)

- Silica Shell (`silica-shell`, tier 6) → [Silica Shell](https://factorio.kalzumeus.com/item/silica-shell.md)
- Silicate Solution (`silicate-solution`, tier 6) → [Silicate Solution](https://factorio.kalzumeus.com/fluid/silicate-solution.md)