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Quicklime costs $120 per ton. Lime is used in large quantities as a building and engineering material. The rocks and minerals from which these materials are derived, typically limestone or chalk, are composed primarily of calcium carbonate. They may be cut, crushed or pulverized and chemically altered.
The variable cost price ranges between USD 550-800 per ton and depends for 90% on the price of the raw material. A gross margin of 15% of the ex-factory price is normal. The fixed cost for a factory with an oil output of 50,000 tons (20 ton raw material per hour) is about USD 2 million per year.