Concrete admixture,superplasticizer,naphthalene sulphonate formaldehyde UNF INTRODUCTIONI. APPLICATION1. Used for and widely for self-cured, vapor-cured concrete and its formulations. At the early stage of application, extremely prominent effects are shown. As the result, the modulus and site utilization can be drastically, the procedure of vapor cure is omitted in peak-heat summer days. ...