# Boron trioxide dust

Pyanodons item · internal name `b2o3-dust` · stack size 100 · first craftable in tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md))
HTML page: https://factorio.kalzumeus.com/item/b2o3-dust/

## Produced by (1 recipes)

### Boron trioxide dust (`b2o3-milling`)

- 3 s · tier 5 · productivity modules allowed
- Ingredients: 20 × [Boron trioxide](https://factorio.kalzumeus.com/item/boron-trioxide.md)
- Results: 40 × [Boron trioxide dust](https://factorio.kalzumeus.com/item/b2o3-dust.md)
- Made in: Ball mill MK 01, Ball mill MK 02, Ball mill MK 03, Ball mill MK 04
- Unlocked by: [Boron 2](https://factorio.kalzumeus.com/tech/boron-mk02.md)

## Used in (2 recipes)

- Boron mixture (`boron-mixture`, tier 5) → [Boron mixture](https://factorio.kalzumeus.com/item/boron-mixture.md)
- Nexelit matrix (`simik-nexelit`, tier ?) → [Nexelit matrix](https://factorio.kalzumeus.com/item/nexelit-matrix.md)