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What is the reason for the air leakage of the vacuum packaging bag?

  • Categories:Industry News
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  • Time of issue:2021-04-22
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(Summary description)With the continuous increase of cooked food on the market, the market demand for vacuum packaging has gradually increased. For vacuum packaging bags, the most worrying problem is that after the bag has been placed for a period of time, the vacuum packaging bag will appear to expand. In this way, the role of vacuum packaging is lost.

What is the reason for the air leakage of the vacuum packaging bag?

(Summary description)With the continuous increase of cooked food on the market, the market demand for vacuum packaging has gradually increased. For vacuum packaging bags, the most worrying problem is that after the bag has been placed for a period of time, the vacuum packaging bag will appear to expand. In this way, the role of vacuum packaging is lost.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2021-04-22
  • Views:0
Information

With the continuous increase of cooked food on the market, the market demand for vacuum packaging has gradually increased. For vacuum packaging bags, the most worrying problem is that after the bag has been placed for a period of time, the vacuum packaging bag will appear to expand. In this way, the role of vacuum packaging is lost. Do you know the cause of this situation?

1. During the transportation process and the storage temperature of the seller's warehouse, many products are caused by the intermittent room temperature exceeding 37 degrees Celsius, which is cold and hot, and condensed water is generated inside.

2. The reaction between food additives produces gas or the reaction between food additives and ingredients produces gas.

3. The bacteria in the vacuum packaging bag tend to produce gas

In the case that the material of the vacuum packaging bag is okay, you can consider whether it is due to incomplete sterilization and the rapid propagation of bacteria inside the bag. This situation usually occurs in the use of vacuum packaging of meat products. The method is very simple. Use the bag to fill the right amount of rice (rice generally does not have aerogens) and leave it for half a month after vacuuming. If there is no bag expansion, it means that the sterilization is not complete during the process of using the vacuum packaging bag. , You can adjust the sterilization process at this time.

4. The airtightness of the vacuum packaging bag and the permeability of the vacuum packaging bag

After the food is bagged, the vacuum packaging bag is heat-sealed in the last process, and the quality of this process will directly affect the sealing performance of the vacuum packaging bag. If the final sealing is not tight, the packaging bag will leak air, and air will penetrate into the vacuum packaging bag from the leaking part of the packaging bag. The permeability of the vacuum packaging bag is too large, which is another reason for the bag swelling of food.

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