ACI Global Home Middle East Region Portal Western Europe Region Portal
Email Address is required Invalid Email Address
In today’s market, it is imperative to be knowledgeable and have an edge over the competition. ACI members have it…they are engaged, informed, and stay up to date by taking advantage of benefits that ACI membership provides them.
Read more about membership
Learn More
Become an ACI Member
Topics In Concrete
Home > Frequently Asked Questions
In This Section
Frequently Asked Questions
Submit a Question
Search other resources on the ACI website for answers to technical 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); CCS-0(16); ACI CT-23; E4-22; ACI 212.3R-16; SP-288; ACI 306R-16; ASTM C260; ASTM C494
Topics in Concrete: Admixture; Concrete Fundamentals; Materials; Cold Weather