This European Standard is applicable to performance requirements and tests for two classes of helmets for alpine skiers, snowboarders and for similar groups, including children and participants in competitions. The standard comprises two different classes of protection, class A and class B. Requirements and the corresponding methods of test, where appropriate, are given for the following: - construction including field of vision; - shock absorbing properties; - resistance to penetration; - retention system properties; - marking and information.

Test Requirement 测试要求：

Impact Energy Attenuation 撞击能量吸收 　
Resistance to Penetration 抗刺穿性能  　
Retention System Stability (static) 固定系统稳定性（静态） 　
Retention System Strength (dynamic) 固定系统强度（动态）

Sample Size 样品数量 / 送样规格: 7 pcs
Lead Time / TAT (Turn Around Time) 测试周期: 常规服务 Regular service 13 working days

Report Summary 报告摘要: