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Different food packaging materials, composite structural performance requirements

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Variety composites has grown to several hundred or more, to accommodate different types of food packaging requirements. As market competition intensifies, composite varieties still constantly being developed and updated.

Here are some examples of daily food packaging materials, composite structural performance requirements.

(2) Dairy products are relatively easy to corrupt. The main milk using the traditional glass bottles, bottle recycling. Scale application of plastic film flexible packaging is still limited, and some countries in order to health and lightweight, one-time or wax paper coated with polyethylene film (containing mineral fillers and pigments) packaging. More emphasis is on using the PE // aluminum foil / PE composites can be extended accordingly cargo life. But the flexible packaging requires special filling device. Colored plastic film, or a composite material containing aluminum interlayer, can block ultraviolet radiation transmission, so as to avoid decomposition of vitamin C in milk.

Cheese must exclude oxygen and prevent moisture permeability and dry. Usually nylon / PE, Cellophane / PE or PET / PE and other composite materials packaging. More reliable are vacuum-packed or Cot inflatable packaging. Packaging materials should have good heat seal strength and puncture resistance performance.