SBR 1551L Styrene-butadiene copolymer 9003-55-8 Ameripol Synpol Styrene copolymer >> Styrene butadiene emulsions ADHESIVE SEALANT 1551L is a low Mooney version of 1551 (cold SBR copolymer). 1551L is used in light-colored mechanical goods, tire sidewalls, carcass compounds, matting, seals and adhesives. Low Mooney, cold SBR copolymer. Possesses a rosin acid emulsifier. Used in adhesives.