Unverified72% confidenceTradeoffTime unknown
IP65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
1
Sources
72%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedIP65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91% 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87% similarUnverified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82% similarUnverified厨房台面下、卫生间等潮湿区域需IP65及以上（灌胶防水），普通室内氛围照明用IP20（无防水）即可，但IP65灌胶款硬度大、无法沿小半径弯折且散热差，长期高亮易衰减82% similarUnverified防水等级越高的封装（如IP67全包边）往往牺牲散热，长期高温暴晒下反而降低发电效率并加速衰减；日常晴天使用IP65喷淋级足够，无需为极端防水多花钱82% similar
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