The ASTM D4168 (2021) standard test method is used to evaluate the impact transfer properties of in-situ foam cushioning materials to determine their shock absorption performance in real-world Encasement. These methods test the cushioning effect of foam by simulating real-world applications, including the use of Plastic film, foam, and commonly used boxes. The standard includes two test methods: Method A uses a free-fall package drop test device, and Method B uses an impact test device. The test data helps to design an effective cushioning system to improve the effectiveness of cargo protection during distribution. The standard uses SI units and does not cover all safety issues. Users need to establish appropriate safety measures.
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