# Hardener

Pyanodons item · internal name `hardener` · stack size 100 · first craftable in tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/item/hardener/

## Produced by (1 recipes)

### Hardener (`hardener`)

- 20 s · tier 7 · productivity modules allowed
- Ingredients: 3 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md), 2 × [Glycidylamine](https://factorio.kalzumeus.com/item/glycidylamine.md), 10 × [Phenol](https://factorio.kalzumeus.com/item/phenol.md), 100 × [Hydrogen chloride](https://factorio.kalzumeus.com/fluid/hydrogen-chloride.md), 100 × [Fatty Acids](https://factorio.kalzumeus.com/fluid/fatty-acids.md), 100 × [Organic Acid Anhydride](https://factorio.kalzumeus.com/fluid/organic-acid-anhydride.md)
- Results: 1 × [Hardener](https://factorio.kalzumeus.com/item/hardener.md)
- Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04
- Unlocked by: [Photonics](https://factorio.kalzumeus.com/tech/photonics.md)

## Used in (2 recipes)

- Inverse Opal (`inverse-opal`, tier 7) → [Inverse Opal](https://factorio.kalzumeus.com/item/inverse-opal.md)
- Sawblade MK 04 (`py-sawblade-module-mk04`, tier ?) → [Sawblade MK 04](https://factorio.kalzumeus.com/item/py-sawblade-module-mk04.md)