# Biofilm (technology)

internal name `biofilm` · tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md))
HTML page: https://factorio.kalzumeus.com/tech/biofilm/

## Cost

700 units of (1 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 2 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 3 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 6 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 10 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 120 s each.

## Requires (1)

- [Chemical science pack](https://factorio.kalzumeus.com/tech/chemical-science-pack.md)

## Leads to (6)

- [Graphene technology](https://factorio.kalzumeus.com/tech/graphene.md)
- [Helium processing](https://factorio.kalzumeus.com/tech/helium-processing.md)
- [Native flora package for smart farms](https://factorio.kalzumeus.com/tech/mega-farm-bioreserve.md)
- [Nickel processing - Stage 3](https://factorio.kalzumeus.com/tech/nickel-mk03.md)
- [Tin processing - Stage 3](https://factorio.kalzumeus.com/tech/tin-mk03.md)
- [Titanium processing - Stage 3](https://factorio.kalzumeus.com/tech/titanium-mk03.md)

## Unlocks (3 recipes)

### Biofilm (`biofilm`)

- 10 s · tier 5
- Ingredients: 20 × [Fawogae substrate](https://factorio.kalzumeus.com/item/fawogae-substrate.md), 5 × [Lime](https://factorio.kalzumeus.com/item/lime.md), 5 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md), 2 × [Rayon](https://factorio.kalzumeus.com/item/rayon.md)
- Results: 10 × [Biofilm](https://factorio.kalzumeus.com/item/biofilm.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Biofilm](https://factorio.kalzumeus.com/tech/biofilm.md)

### Biofilm (`biofilm-3`)

- 5 s · tier 5
- Ingredients: 15 × [Fawogae substrate](https://factorio.kalzumeus.com/item/fawogae-substrate.md), 5 × [Lime](https://factorio.kalzumeus.com/item/lime.md), 10 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md), 10 × [Cellulose](https://factorio.kalzumeus.com/item/cellulose.md)
- Results: 4 × [Biofilm](https://factorio.kalzumeus.com/item/biofilm.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Biofilm](https://factorio.kalzumeus.com/tech/biofilm.md)

### Acid gas (`dirty-acid`)

- 5 s · tier 5
- Ingredients: 1 × [Biofilm](https://factorio.kalzumeus.com/item/biofilm.md), 200 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md)
- Results: 60 × [Acid gas](https://factorio.kalzumeus.com/fluid/acidgas.md)
- Made in: Filter MK 01, Filter MK 02, Filter MK 03, Filter MK 04
- Unlocked by: [Biofilm](https://factorio.kalzumeus.com/tech/biofilm.md)