Unverified83% confidenceCautionTime unknown
海洋染色剂（sea dye marker）仅在白天空中搜救有效，展开后水面荧光绿可见约3-4小时；夜间和大浪条件下完全失效，不能替代夜间信号灯
1
Sources
83%
Confidence
Long-term
Relevance
-
First Seen
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Unverified不建议为个人海上安全仅配备染色剂而不配烟雾/信号弹，染料仅在白昼和良好能见度下有效，夜间或雾天几乎无辨识度77% similarUnverified荧光黄绿底色在白天也有较高醒目度，但经长期阳光暴晒后荧光色会褪色，影响白天可见性，户外长期暴晒存放需注意69% similarUnverified荧光剂检测可用验钞灯（365nm紫外灯）自测，正常纯水湿巾在紫外灯下不应发出明显荧光蓝白光，发亮则可能含可迁移性荧光增白剂68% similarUnverified荧光底色亮度依赖染料浓度，反复水洗和紫外线暴晒会使荧光减退，褪色后即使反光带完好也不再符合白天可视标准；荧光黄比荧光橙在白天和阴天更醒目，荧光橙在雪地或绿植背景下辨识度更高66% similarUnverified西晒或长期日照玻璃不建议贴普通彩绘静电贴，紫外线会在3-6个月内使颜色褪色发黄、静电层失效卷边，应选标注抗UV/耐候的胶贴款66% similar
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