Acronal® S 400

Acronal® S 400 by BASF is an aqueous, high solids, styrene acrylic copolymer dispersion. Offers compatibility with hydraulic binders, water-tightness, impermeability and good adhesion to old surfaces. Improves freeze/thaw resistance, flexibility, elasticity, and elongation. Offers tacky surface and good resistance to aging and light. Acronal® S 400 is used to produce flexible cementitious coatings for walls.