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Some of the additives used in portland cement are,

  1. Gypsum
  2. Coal dust
  3. Magnesia
  4. Alkalies
  5. Iron oxide
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15y ago

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How can you make portland cement as quick setting and water resistance cement?

Please note that a key correction in terminology is essential before your question can be answered: use the word "concrete" instead of "cement." The answer is to modify your mix (i.e. Portland cement, sand, gravel, and water) by using hydraulic cement to repace part of the Portland cement. The higher the amount of hydraulic cement you add, the quicker the setting time and the impermeability. However, hydraulic cement sets so quickly that you have limit the amount of total mix so as to be able to pour it and form it before it sets.


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