GB/T 2423.16-2022 "Environmental testing - Part 2: Test methods, test J and guidelines: mildew-growing" standard specifies the test methods and guidelines for mildew-growing environment. The standard is mainly used to evaluate the tolerance of samples under long-term exposure to high humidity, high temperature and mold environment. The standard describes the environmental conditions of the test, test equipment and operating procedures in detail, including the control of mold growth, the preparation of the specimen and the evaluation method of the test results. It is suitable for electronic products, materials and equipment to ensure that they can maintain function and Reliability in the mold environment.