In the application of solder paste, Jitian Chemical's Japanese Anhuan hydrogenated terpene resin P105 plays a crucial role. As a key component in solder paste, it brings excellent performance improvement to the paste. P105 has a unique molecular structure that can form tight intermolecular forces in solder paste. This significantly increases the viscosity of the paste, making it thicker from its originally thin state. This increase in viscosity not only helps the paste maintain shape stability during application, but also ensures that it can evenly cover the welding area in various environments. Enhancing viscosity is one of its prominent features. It can tightly bind with other components in the paste, forming a strong adhesive force. This viscosity enables the paste to firmly adhere to the welding surface, effectively preventing the paste from slipping or shifting during the welding process.