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Why use plastic bags for flour preservation?

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the preservation of flour is not easy. It is best to use plastic bags in spring, autumn and winter, especially in summer. In summer, there is a lot of rain, high temperature and high humidity. Flour in cloth bags is not only prone to insects, but also easy to absorb moisture and agglomerate, which is polluted by microorganisms and mildewed. It can be said that summer is the most difficult time to preserve flour in a year. If you use plastic bags to contain flour, the principle of “plastic isolation of oxygen” is used to isolate flour from the air. Such flour is not easy to produce insects and mildew. However, the flour that has been damp can no longer be put into the plastic bag.

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