Unverified88% confidenceDecision RuleTime unknown

轮滑/滑板/BMX需选择多次冲击型头盔（认CPSC+ASTM F1492双标），此类头盔可承受多次低速撞击；单次冲击型骑行头盔撞击一次后EPS泡沫已溃缩，必须更换

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运动头盔category

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Unverified轮滑/滑板需选择带ASTM F1492或双认证头盔，其后脑覆盖更完整可应对向后摔倒；纯骑行头盔（CPSC）后部较高更通风但后脑保护弱，跨项目使用建议选多认证运动型80% similar Unverified全盔认证优先看ASTM F1952（速降专用）或Downhill认证，仅有CPSC/CE EN1078认证的盔只满足基础自行车标准，不足以应对DH高速冲击76% similar

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