Dongguang co. , LTD. , fine flexible packaging manufacturer, specializing in the production of
food packaging bags, aluminum foil bags, electronic packaging bags, clothing bags, composite packaging film and other kinds of flexible packaging products.
Let's talk about the aluminum foil bag a few days, there may be many bosses are hard to distinguish the quality of the aluminum foil bag is good or bad, depending on the four aspects: 1, aluminum foil bag printing quality: see the joining together of two colors whether have obvious of the third color, physical figure of realistic level, the higher the better, see if there is a wire drawing, fog version, edition, printing and other phenomena.
2, aluminum foil bags material: good quality aluminum bag without peculiar smell.
Smell the packing bag of let a person feel generally do not conform to the hygiene standards, may also affect the normal use of the packaging bags.
Without peculiar smell, need to check bags transparency, clarity is even, no impurity and so on.
3, aluminum foil bags and firm level: tear the foil bags, to look at the shape of cross section and structure, if from evenly split between bag heat sealing, bag heat sealing is very poor, the packages to work open during the production process.
If a tear from sealing side, heat sealing quality is better;
Also look at packaging composite fastness, approach is to first take a look at several segments layer structure, reoccupy hand look at can you separate it, if it is not easy to separate, then composite fastness is good, the opposite is poor;
In addition, testing packaging firm level and at the same time also look at whether there is bubble bag surface or buckling, etc.
4, the appearance of the aluminium foil bags uniformity: to observe the stiffness of the packaging bags.
General flatness is higher, the better, but due to the difference of materials needed.
Such as packaging bags made of nylon and high voltage composite membrane, heat sealing bags will have wavy;
Also to be seen whether trimming bags and tidy, as tidy as possible.
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