The importance of the vacuum bag thickness control 1, thickness and thickness uniformity of the primary products of aluminum foil bag depends on the composite vacuum bag before monolayer film thickness and uniformity, that is to say, good control the thickness of the vacuum bag monolayer film quality is to obtain qualified products thickness quality conditions.
2, vacuum food packaging
film barrier property is closely related to the thickness of the vacuum packaging film,
Which is proportional to the thickness of contact)
Uniformity, good vacuum bag film uniformity can be achieved in secure barrier property.
3, vacuum food packaging film thickness uniformity directly affects the mechanical drawing function of thin film, thickness uniformity good vacuum bag film can achieve good printing overprint precision and quality of composite.
4, as lining material of vacuum bag film, thickness on the high side began to heat sealing temperature is high, and vice versa.
That is to say, the thickness of composite vacuum bag film is uniform sealing quality can be achieved, prevent partial heat sealing is undesirable.
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