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。

youdao

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.

氟石膏粉煤灰胶结材可用于制造新型墙体制品，也可作为微膨胀剂配制高抗渗性混凝土。

youdao