GB/T 16776-2005 "Silicone structural sealants for construction" standard stipulates the terms, classification and marking, requirements, test methods, inspection rules, Encasement, marking, transportation and storage of silicone structural sealants for building curtain walls and Miscellaneous structural bonding assembly. This standard applies to single component and two-component silicone structural adhesives for metal, Glass and other substrates to ensure that their Appearance is delicate and uniform, physical and mechanical properties such as tensile bonding and surface drying time meet the standard requirements. Appearance, physical and mechanical properties, compatibility and performance requirements under various environment conditions are covered to ensure Reliability and durability in various application scenarios.