TamCem 23SR is a new generation superplasticiser for concrete. It contains polycarboxylate ether polymers and is specially formulated to give exceptionally high water reduction and impact extreme workability and greater slump retention. It is a non-chloride admixture which had been formulated to comply with the requirements of ASTM C 494 for Type G water-reducing, high range, and retarding admixtures. It fully meets the requirements of BS5075: Part 3:1985 for retarding superplasticising admixtures and JIS A6204 ‚ÄúChemical Admixtures for Concrete‚Ä?. It is compatible with all cements meeting recognised international standards.