Liquid terpene Resin, is polymerized by gum turpentine, which is a kind of excellent tackifier, with the characteristics including strong cohesive force, good aging resistance, heat resistance, radiation-proof, acid resistance, alkali resistance, odorless, nontoxic and excellent dielectric properties. It is designed to improve the initial viscosity of pressure sensitive tapes, and provide excellent compatibility and solubility in a wide range of applications which widely used for Pressure Sensitive Tapes, rubber, adhesive, hot melting coating, lacquer, superior printing ink, packing, anti-rust oil and chewing gum, etc.