GB/T 13477.20-2002

Abolished

Test 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

Standard Type
GBT
ICS
91.100.50
CCS
Q24
Status
Abolished
Issue Date
2002-12-17
Implementation
2003-06-01
Centralized Committee
中国建筑材料联合会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局

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 the construction industry to evaluate sealants used in joints, facades, and other building envelope applications, ensuring they do not discolor adjacent materials during service. The test is critical for quality control and material selection in projects where aesthetic appearance and long-term compatibility with porous surfaces are required.

Related Standards

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.