长春市宽城化学外加剂厂在吉林省混凝土化学外加剂研究所及有关专家指导下,采用化工厂下脚料亚硝酸盐类、糖液、铝酸盐为主要原料,并加入具有复合减水、增强、调凝等作用的多种辅助材料研制成功了 TNA 混凝土早强减水剂。TNA 早强减水剂经中国建筑科学研究院混凝土研究所暨国家建筑工程质量监督检测中 Changchun City Kuancheng Chemical Admixture Factory, under the guidance of the Jilin Provincial Concrete Chemical Admixture Research Institute and related experts, used chemical plant waste nitrites, sugar liquors, and aluminates as the main raw materials, and added compounded water reduction, The TNA concrete early strength superplasticizer was successfully developed with various auxiliary materials such as strengthening and condensing. TNA early strength water reducer was tested by China Institute of Building Research Concrete Research Institute and National Construction Engineering Quality Supervision and Testing