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This section will define MgO, also known as magnesia, explaining its use as a cementitious material. It will discuss how MgO, when used in concrete, acts as an expansive agent that can counteract shrinkage and improve volume stability. The chemical reactions involved, particularly MgO’s hydration to form magnesium hydroxide (Mg(OH) 2), and how these reactions contribute to the strength and durability of concrete will be detailed.

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MgO

  • 工具书词条

  • 发表日期：

    2025年

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摘要

This section will define MgO, also known as magnesia, explaining its use as a cementitious material. It will discuss how MgO, when used in concrete, acts as an expansive agent that can counteract shrinkage and improve volume stability. The chemical reactions involved, particularly MgO’s hydration to form magnesium hydroxide (Mg(OH) 2), and how these reactions contribute to the strength and durability of concrete will be detailed.