ASTM C845Full Name ASTM C845 – Standard Specification for Expansive Hydraulic CementScope This specification covers hydraulic cements that expand during the early hardening period after setting.Keywords calcium aluminate; calcium aluminosulfate; calcium oxide; calcium silicate; calcium sulfate; cement; expansive; hydraulic; shrinkage-compensated; tricalcium aluminateResourcesASTM International Website: ASTM C845 Need more info?