# Rubber stoppers

Pyanodons item · internal name `stopper` · stack size 100 · first craftable in tier 0 (Automation science pack, [tier 0](https://factorio.kalzumeus.com/tier/0.md))
HTML page: https://factorio.kalzumeus.com/item/stopper/

## Produced by (2 recipes)

### Rubber stoppers (`stopper`)

- 5 s · tier 0 · productivity modules allowed
- Ingredients: 2 × [Latex](https://factorio.kalzumeus.com/item/latex.md), 5 × [Coal](https://factorio.kalzumeus.com/item/coal.md)
- Results: 4 × [Rubber stoppers](https://factorio.kalzumeus.com/item/stopper.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: [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-1.md)

### Rubber stoppers (`stopper-2`)

- 5 s · tier 1
- Ingredients: 1 × [Rubber](https://factorio.kalzumeus.com/item/rubber.md)
- Results: 2 × [Rubber stoppers](https://factorio.kalzumeus.com/item/stopper.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: [Rubber](https://factorio.kalzumeus.com/tech/rubber.md)

## Used in (7 recipes)

- Glassware (`flask`, tier 0) → [Glassware](https://factorio.kalzumeus.com/item/flask.md)
- Glassware (`hotair-flask`, tier 1) → [Glassware](https://factorio.kalzumeus.com/item/flask.md)
- Glassware (`flask-2`, tier 2) → [Glassware](https://factorio.kalzumeus.com/item/flask.md)
- Glassware (`hotair-flask-2`, tier 2) → [Glassware](https://factorio.kalzumeus.com/item/flask.md)
- Glassware (`flask-3`, tier 5) → [Glassware](https://factorio.kalzumeus.com/item/flask.md)
- Glassware (`hotair-flask-3`, tier 5) → [Glassware](https://factorio.kalzumeus.com/item/flask.md)
- Mutagenic injection equipment (`ulric-infusion-equipment`, tier 5) → [Mutagenic injection equipment](https://factorio.kalzumeus.com/item/ulric-infusion-equipment.md)