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Colloidal Silica - Ron Blank & Associates, Inc.

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How it Works<strong>Colloidal</strong> silica works by reactingwith lime in concrete. Duringhydration, approximately 20percent of a concrete mixture’sportland cement is converted tolime, which has no structuralvalue in concrete.However, colloidal silicapozzolanically reacts with lime toform CSH strengthening crystals.

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