Rosin esterificated resin RP-100 Pentaerythritol rosin ester Guilin Chemical Factory Tackifier >> Rosin ester >> Penthaerythritol (penta) ester ADHESIVE Pentaerythritol ester of rosin. Application: Adhesives, Paints, Varnishes, Inks etc Pentaerythritol ester of rosin. Used in adhesives.