GB 326-1989
AbolishedPaper base petroleum asphalt felt，asphalt paper
石油沥青纸胎油毡、油纸
Application Summary AI generated
GB 326-1989 specifies the technical requirements, test methods, and quality standards for paper base petroleum asphalt felt and asphalt paper used as waterproofing materials. It is applied in the construction industry for roofing, basement waterproofing, and moisture barriers in buildings. The standard ensures consistent performance in sealing and durability for these asphalt-based products.
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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.