General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 269-2023
Introduction
GB/T 269-2023 Cone Penetration Test Method for Lubricating Grease and Petroleum Grease is a standard issued by the National Standardization Administration of China (SAC). This standard specifies the cone penetration test method for determining the consistency of lubricating grease and petroleum grease.
The cone penetration test is an important method for evaluating the consistency and workability of greases. It measures the depth to which a standard cone penetrates into the grease under specified conditions of time and temperature. This test provides crucial information about the lubricating properties and performance of greases, helping to ensure their quality and suitability for specific applications.
The standard includes detailed procedures for sample preparation, test equipment calibration, and test execution. It also provides guidelines for calculating and reporting the cone penetration value. This value is a key parameter in determining the NLGI (National Lubricating Grease Institute) grade of the grease, which is widely used in industry as a measure of consistency.
GB/T 269-2023 is applicable to a wide range of lubricating greases and petroleum greases, including those used in automotive, industrial, and commercial applications. By following this standard, manufacturers, suppliers, and users can ensure consistent and reliable measurements of grease consistency, facilitating the selection and application of appropriate lubricants for various machinery and equipment.
GB/T 269-2023 history
2023GB/T 269-2023 Test method for penetration of lubricating grease and petroleum grease
1991GB/T 269-1991 Lubricating grease and petrolatum--Determination of cone penetration