Standard Specification for Chemical Admixtures for Concrete Version. Standard Specification for Chemical Admixtures for Concrete Version. Pin Page Scribd is the worlds largest social reading and publishing site. . Description Download ASTM C494 Free in pdf format. ASTM has the right to verify compliance with this. Water Reducing and Accelerating. Type C Accelerating admixtures. ACCELGUARD 80 for Concrete. Get the latest ASTM Standards. Water Reducing High Range. Type A Water-reducing admixtures. The ASTM C494 specification covers materials for use as chemical admixtures to be added to hydraulic-cement concrete mixtures for the purpose or purposes indicated for the eight types as follows. 2 Level 2Limited retesting is described in 52 522. October 10 1999 Standard Specification for Chemical Admixtures for Concrete 11 This specification covers materials for use as chemical. This specification...