Quicklime

A chemical compound used in steel production.

Notes

Quicklime is a chemical compound produced as an intermediate ingredient, primarily used in steel production. It is required in the recipes for **Cement**, **Charcoal Steel**, **Quicklime Glass**, and **Steel Bar**, making it a key industrial material for advancing beyond basic metalworking. Keep a stock of quicklime on hand, as it is a direct input for high-demand steel and cement crafting—two resources nearly every mid-game town needs.

Notes are AI-generated and may be imprecise.

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Upgrade modules (one per slot)

Basic (none)Basic Upgrade (−10% cost · −5% labor · −25% time)Advanced (none)Advanced Upgrade (−10% cost · −10% labor · −35% time)Modern (none)Modern Upgrade (−15% cost · −10% labor · −50% time)Specialty (none)Masonry Basic Upgrade (−5% cost · −25% time)

Masonry level 0Skill level changes labor only.

Talents

Mineral Baking (Masonry Lv 6) Fuel Efficiency (Smelting Lv 6) Using Bellows (Smelting Lv 6)

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Quantity to craftScales ingredients, labor, time, output & total raw by the number of crafts.

Ingredients

Ingredients for this recipe

Ingredient	Qty	Type
Crushed Limestone	1	item

Byproducts (garbage)

Garbage byproducts of this recipe

Material	Qty / craft
Crushed Mixed Rock	0.32

Crafting waste collects in the station's garbage output and must be hauled away or recycled — see the Garbage & Recycling guide.

Crafting

Crafting stats

Labor	50 calories
Craft time	0.2 min
Throughput	≈ 300 Quicklime / hour (base)

Recycling & waste

• 0.1× Crushed Mixed Rock

The same salvage value leaks out as garbage when this item is consumed in crafting.

How garbage, sorting & recycling work

Total raw to craft this

Recompute for my setup

• 10× Limestone
• 3.92× Quicklime
• 1.51× Clay
• 1.17× Wood (any)
• 0.63× Iron Ore
• 0.02× Silica (any)

Approximate — category ingredients and any production cycles are counted as raw.

Categories

• Ingredient
• Product

Obtained from

• Quicklime

Used in

• Charcoal Steel
• Recycled Steel Bar
• Steel Bar

• Cement

• Quicklime Glass

See also

AcornAdobeAdvanced CircuitAdvanced Combustion EngineAgave LeavesAgave Seed

A searing whiteness that bleeds the strength from stone, birthing the sinew of steel.