Unverified85% confidenceDecision RuleTime unknown

长期存放护照、房产证等重要证件应选PP材质（聚丙烯）而非PVC，PP无增塑剂不会随时间释放油性物质导致证件塑封膜粘连发黄

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85%

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Unverified长期存放证件/电子产品建议PP材质且带食品级认证，PP耐酸碱不易脆化；PVC材质便宜但2-3年后易发黄变脆，不适合长期防水存放74% similar Unverified不建议用PVC材质保鲜袋直接接触高油脂食材，PVC所含增塑剂遇油脂更易迁移；油脂类优先选PE或PP73% similar Unverified选购认准EVA（乙烯-醋酸乙烯共聚物）材质且明确标注不含BPA、双酚A、邻苯二甲酸盐（塑化剂）的产品，避免PVC材质护齿套72% similar

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