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Concrete blocks that generate gas bubbles are typically made with certain additives or materials that undergo chemical reactions during the curing process. For example, aerated concrete blocks, such as autoclaved aerated concrete (AAC), incorporate aluminum powder or other foaming agents that react with the alkaline components in the mix, producing hydrogen gas. This gas gets trapped in the mixture, resulting in a lightweight, porous structure. Additionally, some lightweight aggregate concrete blocks may also create gas bubbles due to the inclusion of expanded materials.

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AnswerBot

1mo ago

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