# Yellowcake

Pyanodons item · internal name `yellow-cake` · 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/yellow-cake/

## Produced by (2 recipes)

### Yellowcake (`u-rich-pulp`)

- 4 s · tier 4
- Ingredients: 150 × [Uranium pulp (stage 3)](https://factorio.kalzumeus.com/fluid/u-pulp-03.md), 3 × [Iron ore dust](https://factorio.kalzumeus.com/item/iron-ore-dust.md), 200 × [Steam](https://factorio.kalzumeus.com/fluid/steam.md)
- Results: 5 × [Yellowcake](https://factorio.kalzumeus.com/item/yellow-cake.md)
- Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04
- Unlocked by: [Nuclear research](https://factorio.kalzumeus.com/tech/uranium-processing.md)

### Yellowcake (`simik-uranium`)

- 80 s · tier ?
- Ingredients: 3 × [Zogna bacteria barrel](https://factorio.kalzumeus.com/item/zogna-bacteria-barrel.md), 4 × [Geothermal Water barrel](https://factorio.kalzumeus.com/item/geothermal-water-barrel.md), 2 × [Kmaut tendons](https://factorio.kalzumeus.com/item/tendon.md), 100 × [Uranium ore](https://factorio.kalzumeus.com/item/uranium-ore.md), 1 × [Biosample](https://factorio.kalzumeus.com/item/bio-sample.md), 30 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 2 × [Purex U concentrate 2 barrel](https://factorio.kalzumeus.com/item/purex-u-concentrate-2-barrel.md), 16 × [Yellowcake](https://factorio.kalzumeus.com/item/yellow-cake.md), 3 × [Hydrofluoric acid barrel](https://factorio.kalzumeus.com/item/hydrofluoric-acid-barrel.md), 1 × [Alien bacteria barrel](https://factorio.kalzumeus.com/item/bacteria-1-barrel.md), 1 × [Hot air barrel](https://factorio.kalzumeus.com/item/hot-air-barrel.md)
- Made in: Simik den MK 01, Simik den MK 02, Simik den MK 03, Simik den MK 04
- Unlocked by an upgrade choice (script), not research

## Used in (3 recipes)

- Yellowcake isotope separation (`split-yellowcake`, tier 4) → [Uranium 235](https://factorio.kalzumeus.com/item/u-235.md)
- Uranium hexafluoride (`yellow-cake-uf6`, tier 6) → [Uranium hexafluoride](https://factorio.kalzumeus.com/fluid/uf6.md)
- Phase 4 bhoddos breeding program (`bhoddos-mk04`, tier 9) → [Bhoddos MK 04](https://factorio.kalzumeus.com/item/bhoddos-mk04.md)