Unverified82% confidenceDecision RuleTime unknown
铝箔反射层需夹在内衬与外层之间且靠近宠物身体一侧（一般距表层≤1.5cm），距离过远保温效率显著下降，选购时确认铝箔层位置而非仅看'是否含铝箔'
1
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82%
Confidence
Long-term
Relevance
-
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Unverified铝箔双层+加厚棉结构在隔热降温效果上优于单层铝箔，但整体厚度增加，收纳后圆盘体积（约20cm直径）比折叠款更占副驾或后备箱空间。77% similarUnverified带铝箔反射层的坐垫防潮不等于隔冷强，铝箔主要反射人体辐射热，真正阻断地面导冷靠泡棉厚度，冬季勿只看有没有铝箔77% similarUnverified遮光率越高的双层铝箔材质越厚重，行驶中若临时不用需放置副驾或后座，占用空间；追求便携选静电膜或半透网纱但降温有限77% similarUnverified自发热层的持久性主要取决于铝膜厚度与覆膜工艺，镀铝无纺布比单纯铝箔更耐揉搓，宣称'太空棉/记忆棉+铝箔'的复合结构比纯铝箔层保温衰减更慢76% similarUnverified购买时注意区分单面铝膜款和无铝膜款：铝膜面朝上可反射体温提升保暖效果，但铝膜层在反复折叠后容易脱落或磨损76% similar
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