Vacuum packaging vacuum loss what reason be?

by:Huihua     2020-10-27
Vacuum packaging vacuum loss reasons such as the following: 1, the material of barrier property is not enough. 2, on the edge of the suture is tiny crack not completely closed. Within 3, were punctured, or be adjacent edges of the packaging bags to Pierce, crystal point on the material break the barrier layer materials. 4, the material of flexural resistance is poor. 5, the content of fermentation to produce gas lower the degree of vacuum.
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