Aquamac 740 Styrene Acrylic Latex Hexion Specialty Chemicals North America Acrylic Resins >> Styrene/ acrylic copolymer >> Emulsions/ Dispersion Coatings Metal >> Primer Aquamac 740 is a styrene acrylic latex polymer with excellent block resistance and good corrosion resistance when formulated for use in industrial metal primers. Aquamac 740 also has high gloss capability and utility for use in direct to metal finishes. Aquamac 740 retains performance properties at fairly high pigment volume concentrations. It possesses excellent gloss development, good block resistance, good corrosion resistance and good metal adhesion. Styrene Acrylic Latex. Used in industrial metal primers. Offers very good gloss development. Provides good block resistance and corrosion resistance. Possesses good metal adhesion.