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In everyday life we see plastic color printing bag situation of numerous and diverse, the reason is is different with different varieties and characteristics of food itself performance requirements on food packaging technology.
In addition, transport routes and transport links, transportation methods, storage environment, sales channels, expected shelf life, consumer groups and other factors in the past will also affect the food packaging technology. Food packaging requirements are more specific and contain internal requirements and external requirements of color printing plastic bags weight per unit area is to gram per square meter of the number of signals, is an important technical index for plastic bags.
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