Vacuum Pouches Description

Vacuum packing is a method of packing that removes air from a package before sealing it. The purpose of vacuum packaging is usually to remove oxygen from the container to extend the shelf life of the food, and to adopt flexible packaging forms to reduce the contents and the volume of the packaging.

Vacuum packing , also known as decompression packaging, is to extract and seal all the air in the packaging container to keep the bag in a high decompression state. The lack of air is equivalent to the effect of low oxygen, so that microorganisms have no living conditions, so as to achieve the purpose of fresh fruits and no rot. Applications include vacuum packaging in plastic bags, aluminum foil packaging, glassware packaging, etc. Packaging materials can be selected according to the type of goods.

Vacuum pouches are constructed from optimized film structures that always assure a good barrier and excellent seals, providing a versatile packaging method for a wide variety of products – both food and nonfood. Product freshness is one of the key benefits of vacuum pouches as they preserve taste and aroma, while also helping the product to enjoy an extended shelf life.

On a short-term basis, vacuum packaging can be used to store fresh foods, such as vegetables, meat and liquids, because it inhibits bacterial growth.

For long-term storage, vacuum pouches can be used for dried foods such as coffee, cereals, nuts, cured meats, cheese, smoked fish and potato chips.

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Technology Overview

The main function of vacuum bag is to remove oxygen, so as to prevent food deterioration. Its principle is relatively simple, because food mildew is mainly caused by the activities of microorganisms, and most microorganisms (such as molds and yeasts) need oxygen to survive. Vacuum packaging uses this principle to pump out the oxygen in the packaging bag and food cells, so as to make the micro objects lose “health” The environment for survival. The results show that: when the oxygen concentration in the packaging bag is less than 1%, the growth and reproduction rate of microorganisms will drop sharply. When the oxygen concentration is less than 0.5%, most microorganisms will be inhibited and stop breeding. (Note: vacuum packaging can not inhibit the reproduction of anaerobic bacteria and the deterioration and discoloration of food caused by enzyme reaction, so it should be combined with other auxiliary methods, such as refrigeration, quick freezing, dehydration, high temperature sterilization, irradiation sterilization, microwave sterilization, salting, etc.) In addition to inhibiting the growth and reproduction of microorganisms, vacuum deoxidation also plays an important role in preventing food oxidation. Due to a large number of unsaturated fatty acids in fatty foods, they are oxidized by oxygen, which makes the food taste and deteriorate. In addition, oxidation also causes the loss of vitamin A and C, and the unstable substances in food pigments become dark by oxygen. Therefore, deoxidization can effectively prevent food deterioration and maintain its color, aroma, taste and nutritional value.

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FAQ

1. Q:Can we have our logo or company name printed on the packaging bags?

A: Sure, we accept OEM. Your logo can printed on the packaging bags as request. 

2. Q: What’s the MOQ ?

A: MOQ is according to different specifications and materials .

Normally 10000pcs to 50000pcs according to specific situation.

3. Q: Are you a manufacturer or trading company ?

A: We are OEM manufacturer ,with more than 20 years experience, custom and offer packaging bags of all types and sizes .

4. Q: Can you design for me ?

A: Yes ,we have our own designer ,supply free design .

5. Q: What’s the information should i let you know if i want to get a correct quotation ?

A: Sample is welcomed ,bag price depend on the bag type ,size ,material ,thickness ,printing colors and quantity etc .

6. Q: Will you offer free sample ?

A:Yes ,we’d like to arrange you bags for free charge ,however customer need to pay for the courier cost .

7. Q:What about the delivery time ?

A: 10~15 days,varies depends on quantity and bag style.