Conduct the test under standard environmental conditions (temperature 20 ± 5 ° C) by placing the Enbang PVB laminated glass sample in a percussion test chamber. Use a rigid hammer to strike from the bottom of the sample, as shown in Figure 1, continuously striking until the broken area of the sample exceeds 50% of its total area. Subsequently, the crushed sample was carefully compared with the standard sample and evaluated according to the grading criteria for impact values shown in Figure 2.

The results showed that the impact value of Enbang PVB laminated glass reached level 8 or above, which fully indicates that the material exhibits excellent shatter resistance in dynamic impact environments, can effectively resist impact forces, ensure the relative integrity of glass structures, and provide strong support for safety protection in practical applications.