Rosin Ester are ale yellow colored substances that are compatible with a wider range of polymers which includes acrylics, high as well as low vinyl acetates, PUR, SIS, EVA and other. These can be used for the formulation of water based and solvent based adhesives. They are naturally occurred from the pine and spruce trees. Rosin Ester are highly complex mixture of acidic molecules such as abietic and pimaric type acids. There are various different grades of such elements availed by us that are modified by using phenolic groups, hydroxyl groups and other organic units.