Home Food Production Machines What is the gas filled in some inflatable packaged foods on the market?

What is the gas filled in some inflatable packaged foods on the market?

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2 is non-toxic and harmless. It does not react with food and has a wide range of sources. Some are filled with helium. It must be non-toxic, harmless, colorless, tasteless, insoluble in water, nonflammable, nonflammable and stable in nature

99.999% nitrogen is required, and oxygen is not allowed to prevent food oxidation and deterioration. However, in practice, the purity of nitrogen can not meet the requirements.

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