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Chemically active pore fillers ____________ the setting of concrete.

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Chemically active pore fillers ____________ the setting of concrete.

(a) Retards

(b) Decrease

(c) Accelerates

(d) No change

This question was posed to me in my homework.

Asked question is from Concrete Repair System in division Admixtures and Construction Chemicals of Concrete Technology

1 Answer

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The correct answer is:

(a) Retards

Chemically active pore fillers in concrete generally slow down (retard) the setting process. These fillers help reduce the permeability of concrete by filling the pores and improving its durability, but they can also delay the setting time.

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