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Why does plaster get harder with age?

Updated: 8/10/2023
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11y ago

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Plaster is a mixture of slaked lime ( Ca(OH)2 ) and water. The slaked lime in the plaster reacts with the carbon dioxide in the air and produces limestone making a strong rock.

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12y ago
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11y ago

The slaked lime in the plaster reacts with the carbon dioxide in the air and produces limestone making a strong rock.

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Q: Why does plaster get harder with age?
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