# Boron trioxide

Pyanodons item · internal name `boron-trioxide` · stack size 100 · first craftable in tier 1 (pY science pack 1, [tier 1](https://factorio.kalzumeus.com/tier/1.md))
HTML page: https://factorio.kalzumeus.com/item/boron-trioxide/

## Produced by (2 recipes)

### Boron trioxide (`boron-trioxide`)

- 3 s · tier 1 · productivity modules allowed
- Ingredients: 200 × [Boric acid](https://factorio.kalzumeus.com/fluid/boric-acid.md), 1 × [Coke](https://factorio.kalzumeus.com/item/coke.md)
- Results: 1 × [Boron trioxide](https://factorio.kalzumeus.com/item/boron-trioxide.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Boron](https://factorio.kalzumeus.com/tech/boron.md)

### Boron trioxide (`simik-boron`)

- 80 s · tier ?
- Ingredients: 3 × [Gadolinium Stripped Solution barrel](https://factorio.kalzumeus.com/item/gd-stripped-solution-barrel.md), 70 × [Raw borax](https://factorio.kalzumeus.com/item/raw-borax.md), 1 × [Biosample](https://factorio.kalzumeus.com/item/bio-sample.md), 30 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 45 × [Boron trioxide](https://factorio.kalzumeus.com/item/boron-trioxide.md), 1 × [Boric acid barrel](https://factorio.kalzumeus.com/item/boric-acid-barrel.md), 1 × [Diborane barrel](https://factorio.kalzumeus.com/item/diborane-barrel.md), 5 × [Gadolinium crystal](https://factorio.kalzumeus.com/item/gd-crystal.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 (12 recipes)

- Optical set (`hotair-lens`, tier 1) → [Optical set](https://factorio.kalzumeus.com/item/lens.md)
- Optical set (`lens`, tier 1) → [Optical set](https://factorio.kalzumeus.com/item/lens.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)
- Quartz tube (`quartz-tube`, tier 2) → [Quartz tube](https://factorio.kalzumeus.com/item/quartz-tube.md)
- Boron carbide (`boron-carbide`, tier 5) → [Boron carbide](https://factorio.kalzumeus.com/item/boron-carbide.md)
- Boron trioxide dust (`b2o3-milling`, tier 5) → [Boron trioxide dust](https://factorio.kalzumeus.com/item/b2o3-dust.md)
- Glass fibers (`glass-fiber`, tier 5) → [Glass fibers](https://factorio.kalzumeus.com/item/glass-fiber.md)
- Glass fibers (`hotair-glass-fiber`, tier 5) → [Glass fibers](https://factorio.kalzumeus.com/item/glass-fiber.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)
- Polycrystalline Cell (`polycrystalline-cell`, tier 5) → [Polycrystalline Cell](https://factorio.kalzumeus.com/item/polycrystalline-cell.md)