GB/T 4509-2010

Active

Standard test method for penetration of bitumen

沥青针入度测定法

Standard Type
GBT
ICS
75.140
CCS
E43
Status
Active
Issue Date
2011-01-10
Implementation
2011-05-01
Centralized Committee
国家标准委
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the laboratory method for determining the penetration of bituminous materials by measuring the depth a standard needle penetrates under specified conditions of load, time, and temperature. It is primarily applied in the petroleum and road construction industries to classify bitumen grades and ensure consistency in asphalt binder quality for pavement design and quality control testing.

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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.