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How long can vacuum packed wet rice noodles be preserved

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vacuum packaged wet rice flour can be stored for about one month. Generally speaking, the shelf life of rice flour is about half a year. Of course, the shelf life of rice flour with a little moisture may be relatively short

vacuum packaging is to extract all the air in the packaging container and seal it, so as to maintain the bag in a highly depressurized 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 disease and rot

there are many kinds of vacuum packaging machines. The following factors should be considered when selecting:

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1. Packaging speed. In order to improve production efficiency, double chamber or multi chamber vacuum packaging machine can be selected to improve the progress of the whole production

2. Whether the packaged articles need to be filled with other protective gases. Multifunctional vacuum packaging machine with inflation device can be selected

3. Requirements for vacuum degree of packaged articles. If the packaged goods can be well preserved only under the condition of high vacuum, the cavity vacuum packaging machine shall be selected

4. Requirements of the composition state of the packaged articles on the vacuum packaging machine

when purchasing, aluminum alloy can be used for packaging dry and non corrosive materials such as solids and particles, while stainless steel or aluminum magnesium alloy can be used for packaging materials with soup and high salt and acid components. The sealing ring is generally made of silicone rubber and black rubber. A few low-grade products are made of foamed rubber. Silicone rubber has high temperature resistance, corrosion resistance, good sealing performance and long service life. Foamed rubber has poor sealing performance, easy to fall off and short service life

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