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source:other news release time:2023-03-11 Hits:
PEVA FREEZER BAG is a common bag type in plastic packaging. It is characterized by two layers of film sealing three sides, leaving only one mouth, filling from the mouth, sealing, PEVA Freezer Bagzui, which is to protect the product, so the substrate must be tough, so the substrate must be tough, so the substrate should be tough, and the substrate must be tough. The sealing intensity should be appropriate to ensure the sealing performance. Quality inspection is a level that ensures the quality of the zipper on the third side.
The first is the appearance. The size, flatness, and alignment of three breads are the content that needs to be tested. For three -sided zipper bag, the tightness of the zipper needs to be tested. The zipper is too loose to affect the use. Small knowledge: It is recommended to choose PET as a superficial mask and as an ingredients and a supernatural. BOPP zipper bag, because it is generally heat -resistant, it is easy to wrinkle during heat. If you prefer the effect of BOPP material, you can compose aluminum in the middle layer, which can alleviate the wrinkles during the zipper heat seal.
The second is the performance of the PEVA Freezer Bag itself. The toughness and transparency of the three -sided zipper bag can shake the bags of PVC, PP and other materials by hand. The crisp sound indicates the better quality.
Among various bag types, PEVA Freezer Bag has good gas tightness. This method of making bags is usually used in vacuum bags. Therefore, in the process of bag making, the heat of the PEVA Freezer Bag must be ensured to ensure that the goods are circulating in circulation During the process, it will not crack or leak. The sealing performance of the bag can be detected by adding the penetration fluid of the dye to the sealing part to detect whether the penetration is to detect whether it is penetrated with water for 24 hours to detect whether the penetration.
Bag damage rate, soft plastic bag damage rate is a problem faced by food manufacturers. During the quality inspection, if the damage rate of PEVA Freezer Bag is too high, find the causes and solutions according to the damage location. For example, when testing It may be damaged, which may be caused by the heat sealed strength. At this time, the heat seal temperature and pressure need to be adjusted appropriately to avoid damage to the sealing parts. In addition Essence
Nutbag manufacturers give you: Why can food packaging bags attract such high attention and sanitary standards are so high?
Its obvious functions: packaging provides food for food, which plays an irreplaceable role in preventing food from being contaminated by external microorganisms or other substances, preventing or reducing food oxidation. Qualified packaging has a direct impact on human health.
Food packaging bags also play an interpretation role. Packaging bags and label telling people how to use, transport, recycle or process packaging or food is a comprehensive food "manual". Food packaging bags play a role in promoting and marketing. Merchants often use box tags to encourage potential buyers to buy goods. For decades, food packaging design has become an important and constant phenomenon. Marketing and graphic design are applied to outsourcing and plane design. (For some reason) the highlights of sales display.
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