Rosin esterificated resin MRP-115 Pentaerythritol ester of maleic rosin Guilin Chemical Factory Tackifier >> Rosin ester >> Penthaerythritol (penta) ester ADHESIVE Pentaerythritol ester of maleic rosin. Application: Adhesives, Paints, Varnishes, Inks etc Pentaerythritol ester of maleic rosin. Used in adhesives.