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PE 单层
柔韧可回收，适合快递袋与低阻隔应用。
Grease barrier
★★★★
O₂ barrier
★★★
Cost tier
$
Eco rating
★★★
Best For
快递袋、柔性袋、经济型方案、短保质期干燥品
Not Ideal For
咖啡、坚果等需强氧阻隔且无额外层的产品
Typical Structure
单层或共挤 PE
Expected Shelf Life
氧敏感品 1–3 个月；惰性货物可更长
Certifications & Compliance
- FDA food-contact (food-grade PE)
- Store drop-off recyclable in many markets
FAQ
PE 单层能替代袋用复合膜吗？
仅适用于低阻隔产品如短保烘焙品或非食品快递袋。多数食品袋需多层结构。