INDICATORS ON CONCRETE RETARDER YOU SHOULD KNOW

Anionic surfactant has more robust adsorption on area of cement than that on floor of montmorillonite, granite and limestone. But cationic and nonionic surfactants have much stronger adsorption on surface area of montmorillonite and granite than that on surface of cement. When montmorillonite, granite and limestone are added into cement mortar, the