Hydrogal MA Methyl ester of hydrogenated rosin DRT Tackifier >> Rosin ester >> Hydrogenated ester >> Hydrogenated methyl ester Rubber - Elastomer (Chloroprene, Butyl …) ADHESIVE For over 60 years, DRT have been supplying a complete range of rosin derivatives based on Gum Rosin and Tall Oil Rosin for a variety of applications : adhesives, chewing gum, rubber, printing inks, pigments, cosmetics, soldering fluxes, road marking compounds, paint and varnishes, etc … ROSIN ESTERS HYDROGRAL MA Methyl ester of hydrogenated rosin Methyl ester of hydrogenated rosin. Used as a tackifier in adhesives.