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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Tools > Frequently Asked Questions
Q. What is an air-entraining admixture? A. It is an admixture that causes the development of a system of microscopic air bubbles in cement paste during mixing, usually to increase its resistance to freezing and thawing and to improve workability (ACI 212.3R). References: SP-1(02); ACI CT-23; E4-12; ACI 212.3R-16; SP-288; ACI 306R-16; ASTM C260; ASTM C494 Topics in Concrete: Admixture; Concrete Fundamentals; Materials; Cold Weather
Q. What is an air-entraining admixture?
A. It is an admixture that causes the development of a system of microscopic air bubbles in cement paste during mixing, usually to increase its resistance to freezing and thawing and to improve workability (ACI 212.3R).
References: SP-1(02); ACI CT-23; E4-12; ACI 212.3R-16; SP-288; ACI 306R-16; ASTM C260; ASTM C494
Topics in Concrete: Admixture; Concrete Fundamentals; Materials; Cold Weather
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