Unverified85% confidenceFactTime unknown
凉感面料靠接触瞬间凉感系数Q-max衡量,Q-max≥0.2才有明显凉感,<0.15基本感觉不到;市面上真正凉感款多用锦纶+氨纶混纺,纯棉/雪纺无凉感只挡光
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85%
Confidence
Long-term
Relevance
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Unverified凉感来自接触瞬间凉感值Q-max,选购看是否标注Q-max≥0.15(W/cm²),数值越高上脸越凉;冰丝/凉感锦纶通常0.2以上,纯棉几乎无凉感反而闷汗94% similarUnverified真正的凉感来自面料接触瞬间的热传导系数(Q-max值),Q-max≥0.15 W/㎡才有明显凉感,冰丝/凉感聚酯纤维的Q-max普遍高于天然纤维,但凉感属于物理接触感受,出汗后透气排湿才是持久舒适的关键90% similarUnverified防晒衣宣称的'凉感'来自面料接触凉感系数Q-max值,Q-max≥0.2才有明显凉感效果,但该效果是瞬时接触感,不等于持续降温,闷热环境下透气排汗设计更重要88% similarUnverified凉感面料的凉感值(Q-max≥0.15才有明显凉感)与快干性此消彼长:主打凉感的涤纶接触瞬间凉但汗湿后贴身,主打速干的锦纶/聚酯网眼排汗快但初穿无凉感,多汗儿童优先速干87% similarUnverifiedQ-max≥0.44属于强凉感级别,初次接触体感明显偏凉,但面料透气性为中等水平,闷热出汗后散湿速度不如纯棉或天丝面料87% similar
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