# High grade alumina

Pyanodons item · internal name `high-grade-alumina` · 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/high-grade-alumina/

## Produced by (1 recipes)

### High grade alumina (`high-grade-alumina`)

- 5 s · tier 5
- Ingredients: 1 × [Crystallised sodium aluminate](https://factorio.kalzumeus.com/item/crystalized-sodium-aluminate.md), 8 × [Sodium hydroxide](https://factorio.kalzumeus.com/item/sodium-hydroxide.md), 2 × [Nichrome](https://factorio.kalzumeus.com/item/nichrome.md), 3 × [Graphite](https://factorio.kalzumeus.com/item/graphite.md)
- Results: 1 × [High grade alumina](https://factorio.kalzumeus.com/item/high-grade-alumina.md), 50 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Made in: Electrolyzer MK 01, Electrolyzer MK 02, Electrolyzer MK 03, Electrolyzer MK 04
- Unlocked by: [Aluminium processing - Stage 3](https://factorio.kalzumeus.com/tech/aluminium-mk03.md)

## Used in (2 recipes)

- Molten aluminium (`molten-aluminium-03-2`, tier 5) → [Molten aluminium](https://factorio.kalzumeus.com/fluid/molten-aluminium.md)
- Reduced 99.9% aluminium (`reduction-aluminium`, tier 7) → [Reduced 99.9% aluminium](https://factorio.kalzumeus.com/item/reduced-aluminium.md)