# Biopolymer (technology)

internal name `biopolymer` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/tech/biopolymer/

## Cost

1400 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each.

## Requires (1)

- [Microbiology - Stage 4](https://factorio.kalzumeus.com/tech/microbiology-mk04.md)

## Leads to (3)

- [Carbon nanotube](https://factorio.kalzumeus.com/tech/carbon-nanotube.md)
- [Gas Power - Stage 3](https://factorio.kalzumeus.com/tech/gasplant-mk03.md)
- [Pheromones](https://factorio.kalzumeus.com/tech/pheromones.md)

## Unlocks (4 recipes)

### Biopolymer (`biopolymer`)

- 10 s · tier 7 · productivity modules allowed
- Ingredients: 5 × [Silver foam](https://factorio.kalzumeus.com/item/silver-foam.md), 10 × [Urea](https://factorio.kalzumeus.com/item/urea.md), 5 × [Collagen](https://factorio.kalzumeus.com/item/collagen.md), 25 × [Knallgas-bacteria](https://factorio.kalzumeus.com/fluid/bacteria-2.md), 150 × [Diesel](https://factorio.kalzumeus.com/fluid/diesel.md)
- Results: 7 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md)
- Made in: Bioreactor, Bioreactor, Bioreactor, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 04, Bioreactor MK 04, Bioreactor MK 04, Bioreactor, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 04
- Unlocked by: [Biopolymer](https://factorio.kalzumeus.com/tech/biopolymer.md)

### Biopolymer (`biopolymer-2`)

- 10 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Silver foam](https://factorio.kalzumeus.com/item/silver-foam.md), 10 × [Urea](https://factorio.kalzumeus.com/item/urea.md), 3 × [Sporopollenin](https://factorio.kalzumeus.com/item/sporopollenin.md), 25 × [Knallgas-bacteria](https://factorio.kalzumeus.com/fluid/bacteria-2.md), 50 × [Fish oil](https://factorio.kalzumeus.com/fluid/fish-oil.md)
- Results: 5 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md)
- Made in: Bioreactor, Bioreactor, Bioreactor, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 04, Bioreactor MK 04, Bioreactor MK 04, Bioreactor, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 04
- Unlocked by: [Biopolymer](https://factorio.kalzumeus.com/tech/biopolymer.md)

### Knallgas bacteria colony growth (`petroleum-gas2`)

- 10 s · tier 7 · productivity modules allowed
- Ingredients: 100 × [Organic solvent](https://factorio.kalzumeus.com/fluid/organic-solvent.md), 50 × [Knallgas-bacteria](https://factorio.kalzumeus.com/fluid/bacteria-2.md), 50 × [Pressurized hydrogen](https://factorio.kalzumeus.com/fluid/pressured-hydrogen.md), 10 × [Meat](https://factorio.kalzumeus.com/item/meat.md)
- Results: 200 × [Petroleum gas](https://factorio.kalzumeus.com/fluid/petroleum-gas.md), 55 × [Knallgas-bacteria](https://factorio.kalzumeus.com/fluid/bacteria-2.md) (40–70)
- Made in: Bioreactor, Bioreactor, Bioreactor, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 04, Bioreactor MK 04, Bioreactor MK 04, Bioreactor, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 04
- Unlocked by: [Biopolymer](https://factorio.kalzumeus.com/tech/biopolymer.md)

### Silver foam (`silver-foam`)

- 10 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Silver zinc alloy](https://factorio.kalzumeus.com/item/agzn-alloy.md), 30 × [Limestone](https://factorio.kalzumeus.com/item/limestone.md), 200 × [Acetylene](https://factorio.kalzumeus.com/fluid/acetylene.md), 200 × [Hydrogen chloride](https://factorio.kalzumeus.com/fluid/hydrogen-chloride.md), 100 × [Hydrogen peroxide](https://factorio.kalzumeus.com/fluid/hydrogen-peroxide.md)
- Results: 1 × [Silver foam](https://factorio.kalzumeus.com/item/silver-foam.md)
- Made in: Rectisol MK 01, Rectisol MK 02, Rectisol MK 03, Rectisol MK 04
- Unlocked by: [Biopolymer](https://factorio.kalzumeus.com/tech/biopolymer.md)