Unverified80% confidenceDecision RuleTime unknown
急救保温毯的镀铝层厚度决定反射效率，标称反射体热90%以上的产品其镀层多为12微米以上PET材质；一次性超薄款镀层仅约6-8微米，反复折叠后会出现反光断裂并大幅降低保温性
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