Impact Energy Attenuation 撞击能量吸收

static stability of retention system 固定系统的静态稳定性

dynamic strength of retention system 固定系统的动态强度

 
Sample required: 12 pcs of completed products per headform size per model with instruction (if applicable) is recommended.

 
样品要求:每款每种测试头形尺寸的头盔各12个,包括说明书(如适用).

 
Turnaround time: normal (9~12 working days).

 
所需时间 :标准(9~12个工作天).