Historical
ASTM C494/C494M-17
Standard Specification for Chemical Admixtures for Concrete
1.1 This specification covers materials for use as chemical admixtures to be added to hydraulic-cement concrete mixtures in the field for the purpose or purposes indicated for the eight types as follows:...
1.2 This specification stipulates tests of an admixture with suitable concreting materials as described in 11.1 – 11.3 or with cement, pozzolan, aggregates, and an air-entraining admixture proposed for specific work (11.4). Unless specified otherwise by the purchaser, the tests shall be made using concreting materials as described in 11.1 – 11.3.
1.3 This specification provides for three levels of testing.
CONTENT PROVIDER
ASTM International [astm]
ASTM International [astm]