Introduction to puffed food packaging film bag material structure

As market competition intensifies, puffed food food companies on the efficient production efficiency and puffed food packaging costs control, puffed food packaging safety and transportation more and more attention, so from packaging material supply companies, equipment suppliers, packaging suppliers to food brands of puffed food packaging materials and technology to explore will cause widespread interest. General puffed food plastic packaging materials for the composite film bags, is by the printing layer/aluminium block/heat sealing layer combination, common basically has the following kinds: 1, KOPP/VMOPP/LDPE: used for chip packaging, good heat sealing, the oxygen resistance, shading, shelf life can reach more than a year, if we adopt the method of filling nitrogen, can also achieve a long shelf life. 2、BOPP / VMPET / CPP ( Or PE) , BOPP/PE/VMPET/CPP co-extrusion film, OPP/PET/AL/CPP: used in the packaging of puffed food, adopt the form of a gas packaging, sealing, shading, oil resistance, etc. 3, BOPP/VMCPP, PET/VMCPP: often used for potato chips and so on the packaging of puffed food, relative to the above two kinds of material cost is low, but the content slightly short shelf life. The national oxygen resistance, the resistance is wet, avoid light, oil resistant, sweet, pretty appearance, colorful, the cost is low, among them, the stiffness of the BOPP, PET and VMCPP, BOPP printing and high gloss. VMCPP good barrier property, protect wet resistance of incense, CPP oil resistance is better also. Aluminum layer in direct contact with food is not usually direct contact with some of the more safe plastic, formal enterprise products must go through security certification, safe to eat. General this type of product itself relatively more grease, food easy to oxidation, such as grease clams sour taste is oxidation. In order to guarantee the shelf life of products, usually requiring the barrier property of packaging material. And the ductility of aluminum is recognized and barrier property are excellent materials, therefore, has been widely used in food packaging. Changzhou custom puffed food packaging film bags, food packaging manufacturers and lay's potato chips, biscuits, gree higher brand all have long-term good cooperation. Food packaging manufacturer, your trust of choice.
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