Why food sack made sawtooth mouth

Food packaging made sawtooth mouth release time: why 2018 - 12 - 25 now society, many display food packaging most of them are at the top of the counter with a sawtooth, its purpose is to facilitate consumers to pull open the bag, more convenient to open the bag, but have you ever wondered, why will get into a jagged effect, rather than the effect of the flat, the packing is to explain why bags made of sawtooth. This problem involves the use of mechanics, when the object stress, the stress will change according to the object itself appearance, usually in the fold mutation or Angle of attack. So - bag factory Packing bag made of serrated edge, keep the jagged effect, can let the consumer is very easy and convenient to open the bag. That is why food packaging bags are made of sawtooth mouth, as well as benefits. A: what is the difference between vacuum bag of rice and rice sacks next article: food packaging preservation techniques and the reason of aging
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