Abstract: The special sealant for solar photovoltaic modules can be cured at room temperature, which is mainly used for the bonding and sealing of solar photovoltaic modules, the coating protection, bonding, sealing and reinforcement of some electronic components of electronic or circuit boards, and the potting protection of small electronic components, circuit boards, sensors, etc. This product has the characteristics of adhesion, weather resistance, ozone resistance, chemical corrosion resistance, high and low temperature resistance and electrical insulation. The development of the sealant and the factors affecting its performance were introduced, its application was summarized, and its development prospect was prospected.