GB/T 46421-2025 in English

This standard provides a method for determining the drip point of lubricating greases using an automated approach. It outlines the necessary equipment, procedures, and conditions to ensure consistent and reliable results. The procedure is designed to minimize manual intervention, thereby improving the efficiency of the testing process. The standard specifies the preparation of test samples, the operation of the testing apparatus, and the interpretation of results. It also includes details on the environmental conditions under which the test should be conducted. The method is applicable for both research and industrial purposes, ensuring that the drip point of lubricating greases can be measured accurately and reproducibly. The standard ensures that the testing process is standardized, facilitating comparisons between different lubricating greases.