Unverified78% confidenceTradeoffTime unknown
防水等级越高散热越差，IP67灌胶灯珠在高亮度长时间使用下光衰更快、寿命比同款IP20缩短约20-30%，干燥场景不必盲目追高防水
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78%
Confidence
Long-term
Relevance
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Unverified防水等级越高密封越严，散热越差导致LED寿命和亮度衰减越快，湿区IP65足够，盲目追求IP68反而缩短灯珠寿命87% similarUnverifiedIP65全密封防水灯具散热较差、灯珠寿命可能受影响，干区或普通洗手台无需盲目追求高防水等级86% similarUnverified灌胶防水灯带（IP65+）虽然防水好，但基本无法剪切延长且散热差，灯珠寿命打折扣；室内追求灵活裁剪的场景应选IP20非灌胶款84% similarUnverified防水等级选择：室内干燥墙面/灯槽选IP20（不防水，散热好更亮更耐用）；厨房水槽周边/浴室选IP65（防溅水）；室外/水池边选IP67以上（灌胶防水）。IP65以上灯带因灌硅胶散热差，寿命通常低于IP2083% similarUnverifiedIP65全密封灯具防水更好但散热差、灯珠寿命受影响，且拆装维修麻烦；干湿分离良好的卫浴用IP44即可，密封性与散热更平衡82% similar
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