GB/T 2423.55-2023 "Environmental testing Part 2: Test methods, Test Eh: Hammer test" is a standard test method designed for the mechanical impact conditions that products may encounter during transportation and use. This method simulates the impact and impact of products in daily use to assess their durability and Reliability under these conditions. By applying standardized impact energy and Frequency, this test method helps manufacturers and users understand the durability of products, thereby guiding improved design and material selection to ensure that products are not easily damaged or failed during use.