Classification and characteristics of vacuum packaging bags.zipper vacuum sealer bag Manufacturing

　　The name of the vacuum packaging bag refers to the air in the packaging bag. After tightly sealed, the food in the packaging bag is isolated from the outside world. In the vacuum state of packaging things, the growth of votular microorganisms is slowed or suppressed, reducing protein degradation and fat oxide, and can effectively prevent food from rotting and storing food. In addition, after vacuum packaging, the proliferation of lactic acid bacteria and ligament is reduced to 5.6 to 5.8, which further inhibited the growth of other bacteria, thereby extending the storage period of the product. Vacuum packaging generally needs to combine other commonly used anticorrosive methods to achieve good preservation effects, such as dehydration, adding spice, sterilization, frozen, etc.

　　Next, we can look at the method of food vacuum packaging bags in two types, one is the inner bag and the other is an outer bag.

　　1. Aluminum foil vacuum packaging bag, also known as pure aluminum bag or aluminum foil bag: This packaging gathers high -density metal (aluminum) on the bag in the process to increase the blocking performance of the bag. bag.

　　2. Other vacuum packaging bags: This package uses PA (nylon)/PE (enhancement) or PA (nylon)/RCPP, PET/PE, PET/RCPP and other materials

　　To learn about the main materials and characteristics of various food vacuum packaging bags

　　1. PE is suitable for low -temperature use, often used in vacuum packaging of frozen foods, or ordinary boiled products.

　　2.RCPP, also known as (CPP) suitable for high -temperature cooking, is a common material for producing high -temperature cooking bags.

　　3. PA (nylon) is to increase physical strength and puncture resistance. It is a commonly used material for steam boiled bags and liquid bags. Using nylon can enhance the tenderness of the bag.

　　4.AL aluminum foil is to increase blocking performance, shading. It is a commonly used material for tea -leaf vacuum bags and boiled boiled bags.

　　5. PET increases mechanical strength and is very good.

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