GB/T 4985-2021
ActiveStandard test method for needle penetration of petroleum waxes
石油蜡针入度测定法
Application Summary AI generated
This standard specifies a test method for determining the needle penetration of petroleum waxes, measuring the depth a standardized needle penetrates the wax under defined conditions of load, time, and temperature. It is applied in the petroleum industry for quality control and specification compliance of waxes used in products like candles, packaging, coatings, and polishes. The method ensures consistency in wax hardness, which directly affects processing behavior and end-use performance.
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.