Oh, my gosh! Will quickly learn about vacuum bags! Otherwise keep you regret for a lifetime!
by:Kolysen
2021-03-08
At present, has been widely used in the vacuum bags in the market, because it can significantly extend the shelf life of packaged products, and suppress the sack bacteria breeding.
So it is very strict in the quality of the production, to ensure the vacuum bags sealing, in addition to outside the vacuum packing bag production notice when select material, vacuum heat sealing bags will strictly control, to ensure the quality of vacuum packaging bag.
Vacuum bags when heat sealing also often because of some improper operation or other factors lead to the quality of all kinds of bag making, small make up then tell your boss the: (1), vacuum packing bag heat sealing after heat sealing is very fragile.
This quality failure may be due to too much heat sealing pressure, heat sealing temperature is too high or heat sealing time is too long, thin film base material intensity difference, heat sealing line not cooling stress, heat sealing temperature is too low, or heat sealing pressure caused by the low.
Therefore, in the vacuum bags must consider when select material of high strength thin film base material, and the heat sealing when heat sealing pressure, heat sealing temperature and heat sealing time to adjust to the appropriate.
(2), vacuum packing bag heat sealing after poor heat sealing or low heat sealing strength.
In general, when heat sealing corona treatment is excessive, the thickness of the film base material intensity deficiency or uneven, thin films, improper material selection, heat sealing parameters (
Heat sealing temperature, heat sealing pressure, heat sealing time)
Not appropriate and so on all may cause the above problem.
So, be sure to choose according to the different types of packaging products suitable for packaging film base material, and to ensure that adjust the heat sealing film strength and parameters.
(3), vacuum packing bag heat sealing after the uneven heat sealing, mainly because of the heat sealing temperature control uncoordinated and non-uniform factors such as heat sealing pressure.
Therefore, in the production of vacuum bags to strictly control the temperature of the heat sealing device is consistent, the heat sealing pressure evenly.
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