GB/T 13477.20-2017
ActiveTest method for building sealants—Part 20：Determination of staining
建筑密封材料试验方法 第20部分：污染性的测定
Application Summary AI generated
This standard specifies a test method for determining whether building sealants cause staining on porous substrates like concrete, stone, or mortar. It is applied in quality control and material selection for construction projects to ensure sealants do not discolor adjacent building materials during service. The test is critical for evaluating sealants used in facades, joints, and other exposed architectural elements where aesthetic appearance is important.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.