Unverified80% confidenceTradeoffTime unknown
凯夫拉/芳纶材质耐高温（可短时耐受400℃以上）适合火灾场景，尼龙约200℃开始软化熔化；但凯夫拉抗紫外线差、耐折弯疲劳低，长期存放需避光
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80%
Confidence
Long-term
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Unverified接触明火的逃生场景应选芳纶（Kevlar/Nomex）或玻璃纤维芯材质，耐温可达400℃以上；普通尼龙/涤纶绳熔点仅约250℃，高温下会软化断裂80% similarUnverifiedPE材质保鲜膜耐温范围-60℃至110℃，可微波加热和冷冻；PVC材质耐热性差（约80℃），不建议微波使用75% similarUnverified耐温范围要覆盖工作温度上限20%余量：烤箱/电吹风等高温部件需选耐温≥250℃的硅脂或含PTFE高温脂，普通锂基脂滴点仅170-200℃会融化流失74% similarUnverified灶台周边（尤其燃气灶后侧）需选耐温≥200℃的铝箔材质贴，普通PET/PVC贴耐温仅80-120℃，靠近明火易熔化变形甚至释放异味73% similar
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