Unverified92% confidenceFactTime unknown
符合EN ISO 20471 Class 2认证，50mm宽反光带在灯光照射下反射效果可靠，是3M反光材料的核心优势所在
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Unverified通过EN ISO 20471 Class 2认证，属于专业级反光标准，360度反光条覆盖确保夜间多角度可见83% similarUnverified选择通过EN ISO 20471或EN 17353认证的产品，其反光材料回归反射系数≥330 cd/lx/m²，夜间车灯照射下150米外可被识别，普通装饰性亮片反光条通常＜50，安全性不足79% similarUnverified认准反光条符合EN ISO 20471或EN 17353标准，反光材料逆反射系数≥330 cd/lx/m²才能在夜间车灯下有效反光，普通印花反光贴系数常低于50不可靠78% similarUnverified认准反光材料是否符合EN ISO 20471或GB 20653等高可视度标准，专业认证反光材料在45°角和潮湿环境下仍保持有效反光值，普通反光在雨夜性能骤降78% similarUnverified反光材料认证以EN ISO 20471为准，反光条逆反射系数应≥330 cd/lx/m²，普通装饰性反光布仅50-100，夜间机动车灯下识别距离差3倍以上77% similar
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