Rovene 4040 Non-carboxylated styrene-butadiene rubber Ameripol Synpol-Mallard Creek Polymers Styrene copolymer >> Styrene butadiene emulsions SEALANT ROVENE® 4040 is a non-carboxylated styrene-butadiene (SBR) latex emulsion designed for use as a concrete modifier. ROVENE® 4040 is used as a title grout modifier where it enhances adhesion. It has also found some applications in mastics and paper coatings. ROVENE® 4040 is recommended for concrete modification and mastics. Non-carboxylated styrene-butadiene latex emulsion. Used in mastics. Possesses a nonionic emulsifier.