GB/T 23261-2009 is formulated for Stone construction sealants. It defines the terms of such sealants and regulates the classification of products. In terms of technical requirements, it stipulates the key performance of sealants and Stone, such as adhesion, Pollution resistance, displacement capacity, tensile modulus, etc. At the same time, detailed test methods are given to detect whether the performance of sealants is up to standard. The standard provides a basis for the production, mass control and engineering selection of Stone construction sealants to ensure that sealants can effectively seal Stone joints, prevent moisture and stains from invading, and improve the aesthetics and durability of Stone decoration projects.