Unverified85% confidenceDecision RuleTime unknown
包裹熟食、肉类、油性食物应选PE或PVDC材质，PE安全无增塑剂但粘附力弱，PVDC阻隔性最好且安全但价格较高
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Long-term
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Unverified选购时注意：如果主要用途是冰箱冷藏覆盖果蔬和剩菜，PE材质足够安全实用；如果需要包裹油脂类食物或高温使用，应选择PVDC等耐油耐高温材质85% similarUnverified阻隔性/锁鲜能力越强的材质（PVDC>PVC>PE）价格越高，日常冷藏剩菜用PE已足够，无需为短期使用买高阻隔膜81% similarUnverified材质选PP（聚丙烯，回收标志5号）或食品级PET，避免PVC和无标识杂料塑料；PP耐温性好、无双酚A，长期储存干粮最安全81% similarUnverifiedPVC保鲜膜粘附力最强、透明度最好、适合超市生鲜包装场景，但耐热差且增塑剂安全性存疑，家用长期接触食物不推荐首选80% similarUnverified包裹带皮生鲜肉、油脂食物或加热场景优先选PE或PMP，避免PVC；PVC仅建议用于包裹果蔬等无油低温食物80% similar
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