PE film package materials commonly used food packing bags

Packing bags of food packaging materials have very much, from the structure is divided into single packaging material and composite material. In our daily use of a lot of single packaging materials food packaging bags, today small make up to introduce the direct contact with food, wide application of food wrapping package material PE film, PE bag material basic feature film has good resistance to wet, water molecules through rate is very low, is almost 0 through. Prevent the steam or water into the bags, products wet or moist. Very good low temperature resistance, which is under low temperature condition, the performance of its basic remain unchanged. The flexibility of the PE is especially good, can not be easily torn, and heat sealing effect, heat sealing temperature is not high, the viscous force strong. Optimum printing performance still can be, not particularly complex color printing can be competent for design. Transparency is general, have a hazy feeling, glossiness is general; Resistance capability is weak, cannot prevent organic gases such as oxygen, air, into or out. PE film package material in food packaging application of single-layer PE bags commonly used in transportation packing, fresh meat, frozen, such as fresh vegetables low requirements for the oxidation resistance of fresh food packaging bags. Use good flexibility, PE made into resistance oxygen requirement is not high vacuum packaging. PE also often made three edge sealing zipper bag as bulk food packaging bags, often use in supermarkets, shopping malls. PE bag material more as a composite film heat sealing layer, give full play to its low temperature resistance, resistance to wet and heat sealing properties with good effect. PE also often as bread, cakes and other baked is taken to go packaging bags, handbags, etc.
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