GB/T 494-2025
ActiveAsphalt used in roofing
建筑石油沥青
Application Summary AI generated
GB/T 494-2025 specifies the technical requirements, test methods, and quality standards for petroleum-based asphalt used in building roofing applications. It is applied in the construction industry for waterproofing and sealing roofs, ensuring the material meets performance criteria for durability, temperature resistance, and adhesion. This standard is used by manufacturers, quality inspectors, and contractors to evaluate and select asphalt for roofing projects.
Related Standards
GB/T 19230.2-2003
Test method for evaluating gasoline detergent in use--Part 2: Test method for demulsibility of gasoline detergent
GB/T 19230.1-2003
Test method for evaluating gasoline detergent in use--Part 1: Test method for rust-preventing characteristics of gasoline detergent
GB/T 19230.6-2003
Test method for evaluating gasoline detergent in use--Part 6: Engine dynamometer test method for influence of intake valve and combustion chamber deposit tendencies of gasoline detergent(M111 method)
GB/T 19230.5-2003
Test method for evaluating gasoline detergent in use--Part 5: Engine dynamometer test method for influence of intake valve and combustion chamber deposit tendencies of gasoline detergent(Ford 2.3L method)
GB/T 19230.4-2003
Test method for evaluating gasoline detergent in use--Part 4: Test method for influence of induction system deposit(ISD)tendencies of gasoline detergent
GB/T 19230.3-2003
Test method for evaluating gasoline detergent in use--Part 3: Test method for evaluating gasoline detergent produced effect forelectronic port fuel injector(PFI) fouling
GB/T 5304-2001
Asphalt thin-film oven test method
GB/T 2294-1997
Solid products of coal carbonization--Determination of softening point
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.