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How to distinguish the quality of aluminum foil bags

When purchasing, you can smell it first. The first is that it does not meet the hygiene standards, and the second is that it may affect the normal use of the bag. On the contrary, if there is no odor, you can check the transparency of the bag, whether the clarity is uniform, whether there is any impurity, etc.The firmness of aluminum foil bags is mainly divided into two types: conformity firmness and hot air firmness. Wuxi aluminum foil bags have different levels of firmness due to different materials. The main difference is to align the edge of the bag and tear it by hand. The bag made of nylon and high-pressure film is generally difficult to tear by hand, and can be used to hold heavier products such as stones, large particles, etc.OPPThe bag made of heat-sealing film is easy to tear, and can only hold some light products; after the bag is torn, it depends on the shape and structure of the cross-section. Very poor, it is easy to break the bag during the production process. If it is torn from the sealing edge, it means that the heat sealing quality is good; it also depends on the composite firmness of the bag. See if it can be separated. If it is not easy to separate, it means that the composite firmness is good, otherwise it is poor; so check the firmness of the bag and check whether there are air bubbles or wrinkles on the surface of the bag.First observe the stiffness of the bag. Generally speaking, the higher the flatness, the better, except for the different needs of the materials, such as the bag made of nylon and high-pressure film, the heat sealing part of the bag will have a wave shape; it is also necessary to observe whether the cutting edge of the bag is neat, the more neat the better. Suzhou Jiasheng not only manufactures aluminum foil bags but also provides anti-static vacuum bags and vacuum packaging bags.

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