2021.05.31
The density of EPS is one of the main design parameters of the helmet cushion. The denser EPS can play a good role in resisting the impact transmission to the head before the energy impact reaches the limit; the less dense EPS is easier to compress and deform when subjected to a slight impact, and further absorb the impact energy to prevent impact Causes concussion and other injuries.
Under normal circumstances, the ideal EPS buffer layer has a weight between 90 grams and 100 grams. The simplest identification method is to pinch the EPS by hand and estimate the density by feeling its hardness.
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