The invention relates to a polycarboxylate composite water reducing agent suitable for low-cementitious material concrete and a preparation method thereof.
本发明涉及一种聚羧酸复合减水剂及其制备方法，适用于低胶凝材料混凝土。
2
It presents satisfactory cementitious performance and high volume stability. This binder can be used to produce novel building products or as expansion agent to prepare very low permeable concrete.