High-efficiency water reducer is also called super-plasticizer, which is mainly divided into two categories. One is sulfonated coal tar water reducer represented by naphthyl sulfonate formaldehyde condensate, the other is resin water reducer represented by melamine sulfonate formaldehyde condensate. Domestic commercial high-efficiency water reducer almost belongs to the first category.

The Second Preparation Working Meeting of National Building Material Industry Standard 'Plaster Mortar Additive'

by CCPA Ready-mixed Concrete Branch was held in Chengdu of Sichuan in the morning of December 14, 2015. It is one of sub-forums of 2015 China Concrete and Cement Product Industry Conference.