软包装材料透氧率对食用油氧化特性的影响-中国包装论文库 关键词：软包装材料；食用油；氧化；盒中袋 [gap=1028]Key words: flexible packaging materials; edible oil; oxidation; bag-in-box
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Apply to the plastic composite film or plastic foil flexible packaging materials such as composite films.
适用于以塑料复合薄膜或塑料铝箔复合薄膜等软包装材料。
However, the main structure of plastic flexible packaging materials are plastic polymers, has some permeability to gas, and therefore can not fully replace the metal and glass packaging.
然而塑料软包装材料主体结构是塑料聚合物，对气体有一定的渗透性，因此并不能完全代替金属、玻璃包装。
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