Unverified90% confidenceDecision RuleTime unknown
无覆铝膜版本不具备隔热保温功能，若需同时满足防震和保温（如冷链或隔热），需另选覆铝膜款
1
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90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified无覆铝膜版本不具备隔热保温功能，若用于外墙隔热、地暖反射或保温箱内衬等场景需另选覆铝膜款95% similarUnverified铝膜面应朝向热源方向放置才能发挥反射隔热效果，若铝膜朝向放反则保温性能大打折扣83% similarUnverified反射型隔热（铝箔气泡膜/隔热涂料）单独使用R值有限，主要靠反射辐射热，需在有空气层的封闭空间才有效，屋面隔热应以厚度型保温板为主体，反射层作辅助81% similarUnverified发热原理是铁粉遇氧氧化放热，独立密封铝箔包装是硬指标，一旦漏气则提前失效，选购必须确认每片独立铝膜密封而非仅整盒密封81% similarUnverified铝膜面朝上可反射体温起保暖隔寒作用，铝膜面朝下则主要起隔潮作用，使用时需根据需求确定铝膜朝向80% similar
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