# Silver - Stage 3 (technology)

internal name `silver-mk03` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/tech/silver-mk03/

## Cost

1200 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 (2)

- [Production science pack](https://factorio.kalzumeus.com/tech/production-science-pack.md)
- [Silver - Stage 2](https://factorio.kalzumeus.com/tech/silver-mk02.md)

## Leads to (1)

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

## Unlocks (2 recipes)

### High grade silver (`high-grade-silv`)

- 3 s · tier 7
- Ingredients: 4 × [Silver lead concentrate](https://factorio.kalzumeus.com/item/sl-concentrate.md)
- Results: 1 × [High grade silver](https://factorio.kalzumeus.com/item/high-grade-silver.md)
- Made in: Solid separator MK 01, Solid separator MK 02, Solid separator MK 03, Solid separator MK 04
- Unlocked by: [Silver - Stage 3](https://factorio.kalzumeus.com/tech/silver-mk03.md)

### Molten silver (`molten-silver-02`)

- 3 s · tier 7
- Ingredients: 1 × [High grade silver](https://factorio.kalzumeus.com/item/high-grade-silver.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 450 × [Molten silver](https://factorio.kalzumeus.com/fluid/molten-silver.md)
- Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04
- Unlocked by: [Silver - Stage 3](https://factorio.kalzumeus.com/tech/silver-mk03.md)