GB/T 2423.54-2022 "Environmental testing Part 2: Test methods, Test Xc: Fluid contamination" standard specifies the test method under the condition of fluid contamination environment. The standard mainly focuses on the performance of the specimen under the condition of fluid contamination to evaluate its tolerance when exposed to specific fluid contamination. The standard details the technical details of the test equipment, test process, type of contaminated liquid and concentration requirements, and provides the evaluation method of the test results. This standard applies to a variety of products and materials that need to be evaluated for the impact of fluid contamination to ensure its Reliability and safety in actual use.