GB/T 13477.14-2019 "Test Methods for Building Sealing Materials, Part 14: Determination of Adhesion after Immersion and Tension-Compression Cycles" specifies a method for evaluating the bonding performance of building sealants after long-term immersion and repeated tensile compression. The standard describes that sealant specimens are treated under standard conditions, immersed in water for a certain period of time, and then subjected to cyclic tensile and compression movements on a programmable tensile-compression testing machine, and finally checked for bond or cohesion failure by visual or Miscellaneous methods to evaluate their water resistance and fatigue resistance performance. This method is designed to simulate the conditions such as flooding and joint deformation that the material faces in the actual Operating Environment, which is a key criterion for evaluating its long-term durability.