ASTM InternationalASTM C494Specification for Chemical Admixtures for Concrete.Referenced across 3 Anvilfield field guides. Field guides that apply ASTM C494ConcreteConcreteConcrete admixturesConcreteHot weather concretingConcreteMix design and water-cement ratio Often cited alongsideACI 301ACI 318ASTM C143ASTM C173ASTM C231ASTM C260ASTM C31ASTM C39 Browse all codes and standards