Unverified85% confidenceTradeoffTime unknown

PVDC材质透氧率极低（<10 cc/m²·day），阻隔性远优于PE（约2000+ cc/m²·day），适合长期冷冻或需要真空级保鲜的肉类；日常冰箱短期保鲜PE即可

1

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85%

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Long-term

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-

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冰箱保鲜膜category

Related Claims

Unverified低温耐受材质选PE（聚乙烯）而非PVC，食品级PE可耐-40℃冷冻不脆裂，PVC在-18℃以下易变硬开裂导致漏气74% similar UnverifiedPP聚丙烯材质耐温范围约-20℃至100℃且可反复水洗、耐油污，是厨房和冰箱内收纳的通用安全材质；PVC材质耐温和耐候性较差，不宜接触食物74% similar

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