Testitem 测试名称：HelmetsUsed for Downhill Mountain Bicycle Racing山地速降单车头盔
Testinfo 测试内容
| ASTM F 1952,Standard Specification For Helmets Used for Downhill MountainBicycle Racing 山地速降单车头盔标准 |
| 3 Labels andWarnings |
| 6.2 RetentionSystem Testing (roll off) |
| 6.4 staticstability of retention system 固定系统的静态稳定性 |
| 7 Peak AccelerationRequirements |
| 8 Chin Bar RigidityTest 护颚件冲击测试 |
| Impact EnergyAttenuation 撞击能量吸收 |
| dynamic strength ofretention system 固定系统的动态强度 |
| Field of Vision(ASTM F1446-14) |
| Projection (ASTMF1446-7.2) |
| Lead time测试周期：7-9 working days 工作日 |
| Sample size送样规格: 7pcs finished products 七个成品 |
SampleReport 报告样本：
Sample for reference 参考图片: